56151925418 has 8 divisors (see below), whose sum is σ = 84229075812. Its totient is φ = 28075566816.

The previous prime is 56151925369. The next prime is 56151925421. The reversal of 56151925418 is 81452915165.

It can be written as a sum of positive squares in 2 ways, for example, as 55824930529 + 326994889 = 236273^2 + 18083^2 .

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 33446 + ... + 336782.

Almost surely, 2^56151925418 is an apocalyptic number.

56151925418 is a deficient number, since it is larger than the sum of its proper divisors (28077150394).

56151925418 is a wasteful number, since it uses less digits than its factorization.

56151925418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395896.

The product of its digits is 432000, while the sum is 47.

The spelling of 56151925418 in words is "fifty-six billion, one hundred fifty-one million, nine hundred twenty-five thousand, four hundred eighteen".