109699799915 has 16 divisors (see below), whose sum is σ = 132302205696. Its totient is φ = 87318453600.

The previous prime is 109699799899. The next prime is 109699799917. The reversal of 109699799915 is 519997996901.

It is not a de Polignac number, because 109699799915 - 2⁴ = 109699799899 is a prime.

It is a super-2 number, since 2×109699799915² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109699799917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4146680 + ... + 4173050.

It is an arithmetic number, because the mean of its divisors is an integer number (8268887856).

Almost surely, 2^109699799915 is an apocalyptic number.

109699799915 is a deficient number, since it is larger than the sum of its proper divisors (22602405781).

109699799915 is a wasteful number, since it uses less digits than its factorization.

109699799915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30530.

The product of its (nonzero) digits is 111602610, while the sum is 74.

The spelling of 109699799915 in words is "one hundred nine billion, six hundred ninety-nine million, seven hundred ninety-nine thousand, nine hundred fifteen".