56670471115551 has 20 divisors (see below), whose sum is σ = 84768613261024. Its totient is φ = 37730007360000.

The previous prime is 56670471115547. The next prime is 56670471115561. The reversal of 56670471115551 is 15551117407665.

56670471115551 is a `hidden beast` number, since 5 + 6 + 6 + 7 + 0 + 4 + 71 + 1 + 15 + 551 = 666.

It is not a de Polignac number, because 56670471115551 - 2² = 56670471115547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56670471115561) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 465741730 + ... + 465863391.

Almost surely, 2^{56670471115551} is an apocalyptic number.

56670471115551 is a deficient number, since it is larger than the sum of its proper divisors (28098142145473).

56670471115551 is an equidigital number, since it uses as much as digits as its factorization.

56670471115551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931605884 (or 931605875 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 54.

The spelling of 56670471115551 in words is "fifty-six trillion, six hundred seventy billion, four hundred seventy-one million, one hundred fifteen thousand, five hundred fifty-one".