56142115945 has 32 divisors (see below), whose sum is σ = 69766292736. Its totient is φ = 43337952000.

The previous prime is 56142115927. The next prime is 56142115999. The reversal of 56142115945 is 54951124165.

It is not a de Polignac number, because 56142115945 - 2¹⁹ = 56141591657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15167595 + ... + 15171295.

It is an arithmetic number, because the mean of its divisors is an integer number (2180196648).

Almost surely, 2^56142115945 is an apocalyptic number.

It is an amenable number.

56142115945 is a deficient number, since it is larger than the sum of its proper divisors (13624176791).

56142115945 is a wasteful number, since it uses less digits than its factorization.

56142115945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401.

The product of its digits is 216000, while the sum is 43.

The spelling of 56142115945 in words is "fifty-six billion, one hundred forty-two million, one hundred fifteen thousand, nine hundred forty-five".