1115567900120 has 32 divisors (see below), whose sum is σ = 2515402609200. Its totient is φ = 445271634048.

The previous prime is 1115567900059. The next prime is 1115567900131. The reversal of 1115567900120 is 210097655111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29841275 + ... + 29878634.

Almost surely, 2^{1115567900120} is an apocalyptic number.

1115567900120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115567900120 is an abundant number, since it is smaller than the sum of its proper divisors (1399834709080).

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

1115567900120 is a wasteful number, since it uses less digits than its factorization.

1115567900120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59720387 (or 59720383 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 38.

The spelling of 1115567900120 in words is "one trillion, one hundred fifteen billion, five hundred sixty-seven million, nine hundred thousand, one hundred twenty".