11450557120 has 56 divisors (see below), whose sum is σ = 27370515744. Its totient is φ = 4562774016.

The previous prime is 11450557103. The next prime is 11450557169. The reversal of 11450557120 is 2175505411.

It is a super-2 number, since 2×11450557120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16132 + ... + 152188.

Almost surely, 2^11450557120 is an apocalyptic number.

11450557120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11450557120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13685257872).

11450557120 is an abundant number, since it is smaller than the sum of its proper divisors (15919958624).

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

11450557120 is a wasteful number, since it uses less digits than its factorization.

11450557120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136337 (or 136327 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The spelling of 11450557120 in words is "eleven billion, four hundred fifty million, five hundred fifty-seven thousand, one hundred twenty".