113553532432451 has 4 divisors (see below), whose sum is σ = 116323130784504. Its totient is φ = 110783934080400.

The previous prime is 113553532432429. The next prime is 113553532432469. The reversal of 113553532432451 is 154234235355311.

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 113553532432451 - 2¹⁸ = 113553532170307 is a prime.

It is a super-2 number, since 2×113553532432451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113553532432396 and 113553532432405.

It is not an unprimeable number, because it can be changed into a prime (113553532332451) 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, 1384799175965 + ... + 1384799176046.

It is an arithmetic number, because the mean of its divisors is an integer number (29080782696126).

Almost surely, 2^{113553532432451} is an apocalyptic number.

113553532432451 is a deficient number, since it is larger than the sum of its proper divisors (2769598352053).

113553532432451 is an equidigital number, since it uses as much as digits as its factorization.

113553532432451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769598352052.

The product of its digits is 3240000, while the sum is 47.

Adding to 113553532432451 its reverse (154234235355311), we get a palindrome (267787767787762).

The spelling of 113553532432451 in words is "one hundred thirteen trillion, five hundred fifty-three billion, five hundred thirty-two million, four hundred thirty-two thousand, four hundred fifty-one".