115426012431 has 4 divisors (see below), whose sum is σ = 153901349912. Its totient is φ = 76950674952.

The previous prime is 115426012357. The next prime is 115426012433. The reversal of 115426012431 is 134210624511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134210624511 = 3 ⋅44736874837.

It is not a de Polignac number, because 115426012431 - 2¹¹ = 115426010383 is a prime.

It is a super-2 number, since 2×115426012431² (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 (115426012433) 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, 19237668736 + ... + 19237668741.

It is an arithmetic number, because the mean of its divisors is an integer number (38475337478).

Almost surely, 2^115426012431 is an apocalyptic number.

115426012431 is a deficient number, since it is larger than the sum of its proper divisors (38475337481).

115426012431 is an equidigital number, since it uses as much as digits as its factorization.

115426012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38475337480.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 115426012431 its reverse (134210624511), we get a palindrome (249636636942).

The spelling of 115426012431 in words is "one hundred fifteen billion, four hundred twenty-six million, twelve thousand, four hundred thirty-one".