100055005901 has 4 divisors (see below), whose sum is σ = 100818784704. Its totient is φ = 99291227100.

The previous prime is 100055005859. The next prime is 100055005903. The reversal of 100055005901 is 109500550001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100055005901 - 2⁶ = 100055005837 is a prime.

It is a super-2 number, since 2×100055005901² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100055005903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381889205 + ... + 381889466.

It is an arithmetic number, because the mean of its divisors is an integer number (25204696176).

Almost surely, 2^100055005901 is an apocalyptic number.

It is an amenable number.

100055005901 is a deficient number, since it is larger than the sum of its proper divisors (763778803).

100055005901 is an equidigital number, since it uses as much as digits as its factorization.

100055005901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763778802.

The product of its (nonzero) digits is 1125, while the sum is 26.

Adding to 100055005901 its reverse (109500550001), we get a palindrome (209555555902).

The spelling of 100055005901 in words is "one hundred billion, fifty-five million, five thousand, nine hundred one".