7525640108680 has 16 divisors (see below), whose sum is σ = 16932690244620. Its totient is φ = 3010256043456.

The previous prime is 7525640108669. The next prime is 7525640108687. The reversal of 7525640108680 is 868010465257.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7524038028004 + 1602080676 = 2742998^2 + 40026^2 .

It is a super-2 number, since 2×7525640108680² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7525640108687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94070501319 + ... + 94070501398.

Almost surely, 2^{7525640108680} is an apocalyptic number.

It is an amenable number.

7525640108680 is an abundant number, since it is smaller than the sum of its proper divisors (9407050135940).

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

7525640108680 is a wasteful number, since it uses less digits than its factorization.

7525640108680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188141002728 (or 188141002724 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 7525640108680 in words is "seven trillion, five hundred twenty-five billion, six hundred forty million, one hundred eight thousand, six hundred eighty".