56463774261015 has 64 divisors (see below), whose sum is σ = 104533978982400. Its totient is φ = 25737532329600.

The previous prime is 56463774260987. The next prime is 56463774261079. The reversal of 56463774261015 is 51016247736465.

It is not a de Polignac number, because 56463774261015 - 2¹¹ = 56463774258967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68332725 + ... + 69154094.

It is an arithmetic number, because the mean of its divisors is an integer number (1633343421600).

Almost surely, 2^{56463774261015} is an apocalyptic number.

56463774261015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56463774261015 is a deficient number, since it is larger than the sum of its proper divisors (48070204721385).

56463774261015 is a wasteful number, since it uses less digits than its factorization.

56463774261015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137486988.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 56463774261015 in words is "fifty-six trillion, four hundred sixty-three billion, seven hundred seventy-four million, two hundred sixty-one thousand, fifteen".