113255042520 has 128 divisors (see below), whose sum is σ = 341009403840. Its totient is φ = 30090977280.

The previous prime is 113255042519. The next prime is 113255042561. The reversal of 113255042520 is 25240552311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47326444 + ... + 47328836.

Almost surely, 2^113255042520 is an apocalyptic number.

113255042520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113255042520 is an abundant number, since it is smaller than the sum of its proper divisors (227754361320).

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

113255042520 is a wasteful number, since it uses less digits than its factorization.

113255042520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 113255042520 its reverse (25240552311), we get a palindrome (138495594831).

The spelling of 113255042520 in words is "one hundred thirteen billion, two hundred fifty-five million, forty-two thousand, five hundred twenty".