56061515011536 has 60 divisors (see below), whose sum is σ = 158282824693188. Its totient is φ = 18521798464512.

The previous prime is 56061515011529. The next prime is 56061515011547. The reversal of 56061515011536 is 63511051516065.

56061515011536 is a `hidden beast` number, since 5 + 6 + 0 + 6 + 1 + 51 + 50 + 11 + 536 = 666.

56061515011536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7863986318400 + 48197528693136 = 2804280^2 + 6942444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56061515011491 and 56061515011500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722621235 + ... + 1722653778.

Almost surely, 2^{56061515011536} is an apocalyptic number.

It is an amenable number.

56061515011536 is an abundant number, since it is smaller than the sum of its proper divisors (102221309681652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56061515011536 is a wasteful number, since it uses less digits than its factorization.

56061515011536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445275140 (or 3445275131 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 45.

The spelling of 56061515011536 in words is "fifty-six trillion, sixty-one billion, five hundred fifteen million, eleven thousand, five hundred thirty-six".