100000401553 has 4 divisors (see below), whose sum is σ = 107692740148. Its totient is φ = 92308062960.

The previous prime is 100000401547. The next prime is 100000401559. The reversal of 100000401553 is 355104000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355104000001 = 503 ⋅705972167.

It is an interprime number because it is at equal distance from previous prime (100000401547) and next prime (100000401559).

It can be written as a sum of positive squares in 2 ways, for example, as 25423345809 + 74577055744 = 159447^2 + 273088^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000401553 - 2⁹ = 100000401041 is a prime.

It is a super-2 number, since 2×100000401553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100000401553.

It is not an unprimeable number, because it can be changed into a prime (100000401559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846169278 + ... + 3846169303.

It is an arithmetic number, because the mean of its divisors is an integer number (26923185037).

Almost surely, 2^100000401553 is an apocalyptic number.

100000401553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100000401553 is a deficient number, since it is larger than the sum of its proper divisors (7692338595).

100000401553 is an equidigital number, since it uses as much as digits as its factorization.

100000401553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692338594.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 100000401553 its reverse (355104000001), we get a palindrome (455104401554).

The spelling of 100000401553 in words is "one hundred billion, four hundred one thousand, five hundred fifty-three".