56420135515624 has 16 divisors (see below), whose sum is σ = 105862095472320. Its totient is φ = 28190243389680.

The previous prime is 56420135515591. The next prime is 56420135515637. The reversal of 56420135515624 is 42651553102465.

It is a super-3 number, since 3×56420135515624³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478033922 + ... + 2478056689.

It is an arithmetic number, because the mean of its divisors is an integer number (6616380967020).

Almost surely, 2^{56420135515624} is an apocalyptic number.

It is an amenable number.

56420135515624 is a deficient number, since it is larger than the sum of its proper divisors (49441959956696).

56420135515624 is a wasteful number, since it uses less digits than its factorization.

56420135515624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956092040 (or 4956092036 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 56420135515624 in words is "fifty-six trillion, four hundred twenty billion, one hundred thirty-five million, five hundred fifteen thousand, six hundred twenty-four".