113422215525 has 72 divisors (see below), whose sum is σ = 196499923200. Its totient is φ = 57723832320.

The previous prime is 113422215523. The next prime is 113422215659. The reversal of 113422215525 is 525512224311.

It is not a de Polignac number, because 113422215525 - 2¹ = 113422215523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113422215523) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17810892 + ... + 17817258.

It is an arithmetic number, because the mean of its divisors is an integer number (2729165600).

Almost surely, 2^113422215525 is an apocalyptic number.

113422215525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113422215525 is a deficient number, since it is larger than the sum of its proper divisors (83077707675).

113422215525 is a wasteful number, since it uses less digits than its factorization.

113422215525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875 (or 6847 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

Adding to 113422215525 its reverse (525512224311), we get a palindrome (638934439836).

The spelling of 113422215525 in words is "one hundred thirteen billion, four hundred twenty-two million, two hundred fifteen thousand, five hundred twenty-five".