10515879270 has 160 divisors (see below), whose sum is σ = 32054410080. Its totient is φ = 2452239360.

The previous prime is 10515879239. The next prime is 10515879281. The reversal of 10515879270 is 7297851501.

10515879270 is a `hidden beast` number, since 10 + 51 + 587 + 9 + 2 + 7 + 0 = 666.

It is a super-2 number, since 2×10515879270² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 173790 + ... + 226350.

It is an arithmetic number, because the mean of its divisors is an integer number (200340063).

Almost surely, 2^10515879270 is an apocalyptic number.

10515879270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10515879270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16027205040).

10515879270 is an abundant number, since it is smaller than the sum of its proper divisors (21538530810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10515879270 is a wasteful number, since it uses less digits than its factorization.

10515879270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52612 (or 52603 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The spelling of 10515879270 in words is "ten billion, five hundred fifteen million, eight hundred seventy-nine thousand, two hundred seventy".