56415666402413 has 16 divisors (see below), whose sum is σ = 59711001102720. Its totient is φ = 53153164645056.

The previous prime is 56415666402367. The next prime is 56415666402439. The reversal of 56415666402413 is 31420466651465.

It is a cyclic number.

It is not a de Polignac number, because 56415666402413 - 2¹² = 56415666398317 is a prime.

It is a super-4 number, since 4×56415666402413⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56415666402713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5959031 + ... + 12179547.

It is an arithmetic number, because the mean of its divisors is an integer number (3731937568920).

Almost surely, 2^{56415666402413} is an apocalyptic number.

It is an amenable number.

56415666402413 is a deficient number, since it is larger than the sum of its proper divisors (3295334700307).

56415666402413 is a wasteful number, since it uses less digits than its factorization.

56415666402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223156.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 56415666402413 in words is "fifty-six trillion, four hundred fifteen billion, six hundred sixty-six million, four hundred two thousand, four hundred thirteen".