7520811016113 has 6 divisors (see below), whose sum is σ = 10863393689954. Its totient is φ = 5013874010736.

The previous prime is 7520811016109. The next prime is 7520811016181. The reversal of 7520811016113 is 3116101180257.

It is a happy number.

7520811016113 is a `hidden beast` number, since 7 + 5 + 20 + 8 + 1 + 10 + 1 + 611 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4986324728064 + 2534486288049 = 2233008^2 + 1592007^2 .

It is not a de Polignac number, because 7520811016113 - 2² = 7520811016109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7520811016183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417822834220 + ... + 417822834237.

Almost surely, 2^{7520811016113} is an apocalyptic number.

It is an amenable number.

7520811016113 is a deficient number, since it is larger than the sum of its proper divisors (3342582673841).

7520811016113 is a wasteful number, since it uses less digits than its factorization.

7520811016113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835645668463 (or 835645668460 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 7520811016113 in words is "seven trillion, five hundred twenty billion, eight hundred eleven million, sixteen thousand, one hundred thirteen".