10015794625 has 8 divisors (see below), whose sum is σ = 12499711848. Its totient is φ = 8012635600.

The previous prime is 10015794617. The next prime is 10015794643. The reversal of 10015794625 is 52649751001.

It can be written as a sum of positive squares in 4 ways, for example, as 259886641 + 9755907984 = 16121^2 + 98772^2 .

It is not a de Polignac number, because 10015794625 - 2³ = 10015794617 is a prime.

It is a super-2 number, since 2×10015794625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40063054 + ... + 40063303.

It is an arithmetic number, because the mean of its divisors is an integer number (1562463981).

Almost surely, 2^10015794625 is an apocalyptic number.

It is an amenable number.

10015794625 is a deficient number, since it is larger than the sum of its proper divisors (2483917223).

10015794625 is an frugal number, since it uses more digits than its factorization.

10015794625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80126372 (or 80126362 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 10015794625 in words is "ten billion, fifteen million, seven hundred ninety-four thousand, six hundred twenty-five".