56140531305 has 16 divisors (see below), whose sum is σ = 89873006784. Its totient is φ = 29925564480.

The previous prime is 56140531273. The next prime is 56140531327. The reversal of 56140531305 is 50313504165.

It is not a de Polignac number, because 56140531305 - 2⁵ = 56140531273 is a prime.

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, 974326 + ... + 1030335.

It is an arithmetic number, because the mean of its divisors is an integer number (5617062924).

Almost surely, 2^56140531305 is an apocalyptic number.

It is an amenable number.

56140531305 is a deficient number, since it is larger than the sum of its proper divisors (33732475479).

56140531305 is a wasteful number, since it uses less digits than its factorization.

56140531305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006536.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 56140531305 in words is "fifty-six billion, one hundred forty million, five hundred thirty-one thousand, three hundred five".