56155051071 has 48 divisors (see below), whose sum is σ = 95310715968. Its totient is φ = 31186944000.

The previous prime is 56155051067. The next prime is 56155051079. The reversal of 56155051071 is 17015055165.

It is a happy number.

56155051071 is a `hidden beast` number, since 56 + 1 + 550 + 51 + 0 + 7 + 1 = 666.

It is not a de Polignac number, because 56155051071 - 2² = 56155051067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56155051079) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2180671 + ... + 2206271.

It is an arithmetic number, because the mean of its divisors is an integer number (1985639916).

Almost surely, 2^56155051071 is an apocalyptic number.

56155051071 is a deficient number, since it is larger than the sum of its proper divisors (39155664897).

56155051071 is a wasteful number, since it uses less digits than its factorization.

56155051071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26592 (or 26589 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The spelling of 56155051071 in words is "fifty-six billion, one hundred fifty-five million, fifty-one thousand, seventy-one".