5156061566013 has 24 divisors (see below), whose sum is σ = 7491780237240. Its totient is φ = 3417009792000.

The previous prime is 5156061565999. The next prime is 5156061566017. The reversal of 5156061566013 is 3106651606515.

5156061566013 is a `hidden beast` number, since 5 + 1 + 560 + 6 + 15 + 6 + 60 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2839754114649 + 2316307451364 = 1685157^2 + 1521942^2 .

It is not a de Polignac number, because 5156061566013 - 2⁸ = 5156061565757 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5156061566013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156061566017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10664053 + ... + 11137061.

It is an arithmetic number, because the mean of its divisors is an integer number (312157509885).

Almost surely, 2^{5156061566013} is an apocalyptic number.

It is an amenable number.

5156061566013 is a deficient number, since it is larger than the sum of its proper divisors (2335718671227).

5156061566013 is a wasteful number, since it uses less digits than its factorization.

5156061566013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480189 (or 480186 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 5156061566013 in words is "five trillion, one hundred fifty-six billion, sixty-one million, five hundred sixty-six thousand, thirteen".