10015665615 has 12 divisors (see below), whose sum is σ = 17360487144. Its totient is φ = 5341688304.

The previous prime is 10015665593. The next prime is 10015665631. The reversal of 10015665615 is 51656651001.

It is not a de Polignac number, because 10015665615 - 2⁶ = 10015665551 is a prime.

It is a super-2 number, since 2×10015665615² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10015665615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111285129 + ... + 111285218.

It is an arithmetic number, because the mean of its divisors is an integer number (1446707262).

Almost surely, 2^10015665615 is an apocalyptic number.

10015665615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10015665615 is a deficient number, since it is larger than the sum of its proper divisors (7344821529).

10015665615 is a wasteful number, since it uses less digits than its factorization.

10015665615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222570358 (or 222570355 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10015665615 in words is "ten billion, fifteen million, six hundred sixty-five thousand, six hundred fifteen".