112551544521220 has 48 divisors (see below), whose sum is σ = 270148613575680. Its totient is φ = 38585542875264.

The previous prime is 112551544521203. The next prime is 112551544521259. The reversal of 112551544521220 is 22125445155211.

It is a super-2 number, since 2×112551544521220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35539575 + ... + 38576734.

It is an arithmetic number, because the mean of its divisors is an integer number (5628096116160).

Almost surely, 2^{112551544521220} is an apocalyptic number.

112551544521220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112551544521220 is an abundant number, since it is smaller than the sum of its proper divisors (157597069054460).

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

112551544521220 is a wasteful number, since it uses less digits than its factorization.

112551544521220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74127172 (or 74127170 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

Adding to 112551544521220 its reverse (22125445155211), we get a palindrome (134676989676431).

The spelling of 112551544521220 in words is "one hundred twelve trillion, five hundred fifty-one billion, five hundred forty-four million, five hundred twenty-one thousand, two hundred twenty".