56837372117 has 2 divisors, whose sum is σ = 56837372118. Its totient is φ = 56837372116.

The previous prime is 56837372087. The next prime is 56837372131. The reversal of 56837372117 is 71127373865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44391961636 + 12445410481 = 210694^2 + 111559^2 .

It is a cyclic number.

It is not a de Polignac number, because 56837372117 - 2¹⁰ = 56837371093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56837372167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28418686058 + 28418686059.

It is an arithmetic number, because the mean of its divisors is an integer number (28418686059).

Almost surely, 2^56837372117 is an apocalyptic number.

It is an amenable number.

56837372117 is a deficient number, since it is larger than the sum of its proper divisors (1).

56837372117 is an equidigital number, since it uses as much as digits as its factorization.

56837372117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 50.

The spelling of 56837372117 in words is "fifty-six billion, eight hundred thirty-seven million, three hundred seventy-two thousand, one hundred seventeen".