56151155516 has 48 divisors (see below), whose sum is σ = 105744748032. Its totient is φ = 25993440000.

The previous prime is 56151155509. The next prime is 56151155549. The reversal of 56151155516 is 61555115165.

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 15 ways as a sum of consecutive naturals, for example, 3413351 + ... + 3429761.

It is an arithmetic number, because the mean of its divisors is an integer number (2203015584).

Almost surely, 2^56151155516 is an apocalyptic number.

It is an amenable number.

56151155516 is a deficient number, since it is larger than the sum of its proper divisors (49593592516).

56151155516 is a wasteful number, since it uses less digits than its factorization.

56151155516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250 (or 17248 counting only the distinct ones).

The product of its digits is 112500, while the sum is 41.

The spelling of 56151155516 in words is "fifty-six billion, one hundred fifty-one million, one hundred fifty-five thousand, five hundred sixteen".