105485553451 has 4 divisors (see below), whose sum is σ = 105487321792. Its totient is φ = 105483785112.

The previous prime is 105485553421. The next prime is 105485553473. The reversal of 105485553451 is 154355584501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154355584501 = 331 ⋅466331071.

It is a cyclic number.

It is not a de Polignac number, because 105485553451 - 2¹³ = 105485545259 is a prime.

It is a super-2 number, since 2×105485553451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105485553421) 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, 791451 + ... + 915076.

It is an arithmetic number, because the mean of its divisors is an integer number (26371830448).

Almost surely, 2^105485553451 is an apocalyptic number.

105485553451 is a deficient number, since it is larger than the sum of its proper divisors (1768341).

105485553451 is an equidigital number, since it uses as much as digits as its factorization.

105485553451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768340.

The product of its (nonzero) digits is 1200000, while the sum is 46.

The spelling of 105485553451 in words is "one hundred five billion, four hundred eighty-five million, five hundred fifty-three thousand, four hundred fifty-one".