113535523430551 has 4 divisors (see below), whose sum is σ = 113739357404952. Its totient is φ = 113331689456152.

The previous prime is 113535523430509. The next prime is 113535523430569. The reversal of 113535523430551 is 155034325535311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113535523430551 - 2³⁷ = 113398084477079 is a prime.

It is a super-2 number, since 2×113535523430551² (a number of 29 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 (113535523430051) 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, 101916986365 + ... + 101916987478.

It is an arithmetic number, because the mean of its divisors is an integer number (28434839351238).

Almost surely, 2^{113535523430551} is an apocalyptic number.

113535523430551 is a deficient number, since it is larger than the sum of its proper divisors (203833974401).

113535523430551 is an equidigital number, since it uses as much as digits as its factorization.

113535523430551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203833974400.

The product of its (nonzero) digits is 2025000, while the sum is 46.

Adding to 113535523430551 its reverse (155034325535311), we get a palindrome (268569848965862).

The spelling of 113535523430551 in words is "one hundred thirteen trillion, five hundred thirty-five billion, five hundred twenty-three million, four hundred thirty thousand, five hundred fifty-one".