10680615531 has 10 divisors (see below), whose sum is σ = 15954993692. Its totient is φ = 7120410300.

The previous prime is 10680615529. The next prime is 10680615557. The reversal of 10680615531 is 13551608601.

10680615531 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 0 + 615 + 5 + 31 = 666.

It is not a de Polignac number, because 10680615531 - 2¹ = 10680615529 is a prime.

It is a super-2 number, since 2×10680615531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10680615511) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 65929645 + ... + 65929806.

Almost surely, 2^10680615531 is an apocalyptic number.

10680615531 is a deficient number, since it is larger than the sum of its proper divisors (5274378161).

10680615531 is an equidigital number, since it uses as much as digits as its factorization.

10680615531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131859463 (or 131859454 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 10680615531 in words is "ten billion, six hundred eighty million, six hundred fifteen thousand, five hundred thirty-one".