815700112 has 20 divisors (see below), whose sum is σ = 1580916796. Its totient is φ = 407721600.

The previous prime is 815700101. The next prime is 815700121. The reversal of 815700112 is 211007518.

It can be written as a sum of positive squares in 2 ways, for example, as 762643456 + 53056656 = 27616^2 + 7284^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63862 + ... + 75562.

Almost surely, 2^815700112 is an apocalyptic number.

It is an amenable number.

815700112 is a deficient number, since it is larger than the sum of its proper divisors (765216684).

815700112 is a wasteful number, since it uses less digits than its factorization.

815700112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16066 (or 16060 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 815700112 is about 28560.4641418868. The cubic root of 815700112 is about 934.3512565370.

The spelling of 815700112 in words is "eight hundred fifteen million, seven hundred thousand, one hundred twelve".