113220551115 has 128 divisors (see below), whose sum is σ = 244401408000. Its totient is φ = 48622146048.

The previous prime is 113220551113. The next prime is 113220551141. The reversal of 113220551115 is 511155022311.

It is a happy number.

113220551115 is a `hidden beast` number, since 1 + 132 + 2 + 0 + 5 + 511 + 15 = 666.

It is not a de Polignac number, because 113220551115 - 2¹ = 113220551113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (113220551113) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 958156 + ... + 1069814.

It is an arithmetic number, because the mean of its divisors is an integer number (1909386000).

Almost surely, 2^113220551115 is an apocalyptic number.

113220551115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113220551115 is an abundant number, since it is smaller than the sum of its proper divisors (131180856885).

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

113220551115 is a wasteful number, since it uses less digits than its factorization.

113220551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111746 (or 111740 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 113220551115 its reverse (511155022311), we get a palindrome (624375573426).

The spelling of 113220551115 in words is "one hundred thirteen billion, two hundred twenty million, five hundred fifty-one thousand, one hundred fifteen".