109957715 has 12 divisors (see below), whose sum is σ = 153492336. Its totient is φ = 75399408.

The previous prime is 109957711. The next prime is 109957721. The reversal of 109957715 is 517759901.

It is not a de Polignac number, because 109957715 - 2² = 109957711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109957711) 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, 224159 + ... + 224648.

It is an arithmetic number, because the mean of its divisors is an integer number (12791028).

Almost surely, 2^109957715 is an apocalyptic number.

109957715 is a deficient number, since it is larger than the sum of its proper divisors (43534621).

109957715 is an equidigital number, since it uses as much as digits as its factorization.

109957715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448826 (or 448819 counting only the distinct ones).

The product of its (nonzero) digits is 99225, while the sum is 44.

The square root of 109957715 is about 10486.0724296564. The cubic root of 109957715 is about 479.0805823259.

The spelling of 109957715 in words is "one hundred nine million, nine hundred fifty-seven thousand, seven hundred fifteen".