56166152515 has 8 divisors (see below), whose sum is σ = 73526599728. Its totient is φ = 40848110880.

The previous prime is 56166152507. The next prime is 56166152521. The reversal of 56166152515 is 51525166165.

56166152515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56166152515 - 2³ = 56166152507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510601332 + ... + 510601441.

It is an arithmetic number, because the mean of its divisors is an integer number (9190824966).

Almost surely, 2^56166152515 is an apocalyptic number.

56166152515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56166152515 is a deficient number, since it is larger than the sum of its proper divisors (17360447213).

56166152515 is a wasteful number, since it uses less digits than its factorization.

56166152515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021202789.

The product of its digits is 270000, while the sum is 43.

The spelling of 56166152515 in words is "fifty-six billion, one hundred sixty-six million, one hundred fifty-two thousand, five hundred fifteen".