56151734185 has 8 divisors (see below), whose sum is σ = 67383353736. Its totient is φ = 44920538880.

The previous prime is 56151734183. The next prime is 56151734263. The reversal of 56151734185 is 58143715165.

It can be written as a sum of positive squares in 4 ways, for example, as 29853273961 + 26298460224 = 172781^2 + 162168^2 .

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

It is not a de Polignac number, because 56151734185 - 2¹ = 56151734183 is a prime.

It is a super-2 number, since 2×56151734185² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56151734183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453825 + ... + 564145.

It is an arithmetic number, because the mean of its divisors is an integer number (8422919217).

Almost surely, 2^56151734185 is an apocalyptic number.

It is an amenable number.

56151734185 is a deficient number, since it is larger than the sum of its proper divisors (11231619551).

56151734185 is a wasteful number, since it uses less digits than its factorization.

56151734185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212123.

The product of its digits is 504000, while the sum is 46.

The spelling of 56151734185 in words is "fifty-six billion, one hundred fifty-one million, seven hundred thirty-four thousand, one hundred eighty-five".