56555118115 has 16 divisors (see below), whose sum is σ = 69595184736. Its totient is φ = 44095968000.

The previous prime is 56555118107. The next prime is 56555118121. The reversal of 56555118115 is 51181155565.

It is not a de Polignac number, because 56555118115 - 2³ = 56555118107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 186186 + ... + 384415.

It is an arithmetic number, because the mean of its divisors is an integer number (4349699046).

Almost surely, 2^56555118115 is an apocalyptic number.

56555118115 is a deficient number, since it is larger than the sum of its proper divisors (13040066621).

56555118115 is a wasteful number, since it uses less digits than its factorization.

56555118115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571110.

The product of its digits is 150000, while the sum is 43.

The spelling of 56555118115 in words is "fifty-six billion, five hundred fifty-five million, one hundred eighteen thousand, one hundred fifteen".