10721525091876 has 81 divisors (see below), whose sum is σ = 27193968296859. Its totient is φ = 3561706867248.

The previous prime is 10721525091863. The next prime is 10721525091899. The reversal of 10721525091876 is 67819052512701.

The square root of 10721525091876 is 3274374.

It is a perfect power (a square), and thus also a powerful number.

10721525091876 is a `hidden beast` number, since 1 + 0 + 7 + 2 + 1 + 52 + 509 + 1 + 87 + 6 = 666.

It is a super-2 number, since 2×10721525091876² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7210170805 + ... + 7210172291.

Almost surely, 2^{10721525091876} is an apocalyptic number.

10721525091876 is the 3274374-th square number.

It is an amenable number.

10721525091876 is an abundant number, since it is smaller than the sum of its proper divisors (16472443204983).

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

10721525091876 is an frugal number, since it uses more digits than its factorization.

10721525091876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 54.

The spelling of 10721525091876 in words is "ten trillion, seven hundred twenty-one billion, five hundred twenty-five million, ninety-one thousand, eight hundred seventy-six".