107731840566025 has 27 divisors (see below), whose sum is σ = 144654806841429. Its totient is φ = 79555322514720.

The previous prime is 107731840565977. The next prime is 107731840566061. The reversal of 107731840566025 is 520665048137701.

The square root of 107731840566025 is 10379395.

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

It can be written as a sum of positive squares in 4 ways, for example, as 27768041272521 + 79963799293504 = 5269539^2 + 8942248^2 .

It is a de Polignac number, because none of the positive numbers 2^k-107731840566025 is a prime.

It is a super-2 number, since 2×107731840566025² (a number of 29 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 26 ways as a sum of consecutive naturals, for example, 674580834 + ... + 674740516.

Almost surely, 2^{107731840566025} is an apocalyptic number.

107731840566025 is the 10379395-th square number.

107731840566025 is the 5189698-th centered octagonal number.

It is an amenable number.

107731840566025 is a deficient number, since it is larger than the sum of its proper divisors (36922966275404).

107731840566025 is an frugal number, since it uses more digits than its factorization.

107731840566025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319402 (or 159701 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 107731840566025 in words is "one hundred seven trillion, seven hundred thirty-one billion, eight hundred forty million, five hundred sixty-six thousand, twenty-five".