6986520711 has 12 divisors (see below), whose sum is σ = 10094294392. Its totient is φ = 4656455856.

The previous prime is 6986520701. The next prime is 6986520713. The reversal of 6986520711 is 1170256896.

It is not a de Polignac number, because 6986520711 - 2⁵ = 6986520679 is a prime.

It is a super-2 number, since 2×6986520711² = 97622943290463891042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6986520713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65221 + ... + 135006.

Almost surely, 2^6986520711 is an apocalyptic number.

6986520711 is a deficient number, since it is larger than the sum of its proper divisors (3107773681).

6986520711 is a wasteful number, since it uses less digits than its factorization.

6986520711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204110 (or 204107 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 6986520711 is about 83585.4096777661. The cubic root of 6986520711 is about 1911.7025389348.

The spelling of 6986520711 in words is "six billion, nine hundred eighty-six million, five hundred twenty thousand, seven hundred eleven".