113135412500 has 72 divisors (see below), whose sum is σ = 269965283616. Its totient is φ = 41140100000.

The previous prime is 113135412469. The next prime is 113135412503. The reversal of 113135412500 is 5214531311.

113135412500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 113135412500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113135412503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273902 + ... + 548901.

It is an arithmetic number, because the mean of its divisors is an integer number (3749517828).

Almost surely, 2^113135412500 is an apocalyptic number.

113135412500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113135412500 is an abundant number, since it is smaller than the sum of its proper divisors (156829871116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113135412500 is an equidigital number, since it uses as much as digits as its factorization.

113135412500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822843 (or 822821 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 113135412500 its reverse (5214531311), we get a palindrome (118349943811).

The spelling of 113135412500 in words is "one hundred thirteen billion, one hundred thirty-five million, four hundred twelve thousand, five hundred".