10691279115 has 16 divisors (see below), whose sum is σ = 18661142016. Its totient is φ = 5183650400.

The previous prime is 10691279089. The next prime is 10691279153. The reversal of 10691279115 is 51197219601.

It is a happy number.

It is not a de Polignac number, because 10691279115 - 2¹² = 10691275019 is a prime.

It is a super-2 number, since 2×10691279115² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32397651 + ... + 32397980.

It is an arithmetic number, because the mean of its divisors is an integer number (1166321376).

Almost surely, 2^10691279115 is an apocalyptic number.

10691279115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10691279115 is a deficient number, since it is larger than the sum of its proper divisors (7969862901).

10691279115 is a wasteful number, since it uses less digits than its factorization.

10691279115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64795650.

The product of its (nonzero) digits is 34020, while the sum is 42.

The spelling of 10691279115 in words is "ten billion, six hundred ninety-one million, two hundred seventy-nine thousand, one hundred fifteen".