10515421716 has 48 divisors (see below), whose sum is σ = 24928189440. Its totient is φ = 3449403360.

The previous prime is 10515421691. The next prime is 10515421747. The reversal of 10515421716 is 61712451501.

It is a super-2 number, since 2×10515421716² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272971 + ... + 309101.

It is an arithmetic number, because the mean of its divisors is an integer number (519337280).

Almost surely, 2^10515421716 is an apocalyptic number.

It is an amenable number.

10515421716 is an abundant number, since it is smaller than the sum of its proper divisors (14412767724).

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

10515421716 is a wasteful number, since it uses less digits than its factorization.

10515421716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36524 (or 36522 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 10515421716 in words is "ten billion, five hundred fifteen million, four hundred twenty-one thousand, seven hundred sixteen".