56151510505 has 8 divisors (see below), whose sum is σ = 67575998592. Its totient is φ = 44791751088.

The previous prime is 56151510479. The next prime is 56151510551. The reversal of 56151510505 is 50501515165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56151510505 - 2¹⁷ = 56151379433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16180257 + ... + 16183726.

It is an arithmetic number, because the mean of its divisors is an integer number (8446999824).

Almost surely, 2^56151510505 is an apocalyptic number.

It is an amenable number.

56151510505 is a deficient number, since it is larger than the sum of its proper divisors (11424488087).

56151510505 is a wasteful number, since it uses less digits than its factorization.

56151510505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32364335.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 56151510505 in words is "fifty-six billion, one hundred fifty-one million, five hundred ten thousand, five hundred five".