109392255025 has 27 divisors (see below), whose sum is σ = 140546766243. Its totient is φ = 84459043200.

The previous prime is 109392255001. The next prime is 109392255043. The reversal of 109392255025 is 520552293901.

The square root of 109392255025 is 330745.

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

It can be written as a sum of positive squares in 13 ways, for example, as 56374429489 + 53017825536 = 237433^2 + 230256^2 .

It is not a de Polignac number, because 109392255025 - 2⁷ = 109392254897 is a prime.

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, 47956885 + ... + 47959165.

Almost surely, 2^109392255025 is an apocalyptic number.

109392255025 is the 330745-th square number.

109392255025 is the 165373-rd centered octagonal number.

It is an amenable number.

109392255025 is a deficient number, since it is larger than the sum of its proper divisors (31154511218).

109392255025 is an frugal number, since it uses more digits than its factorization.

109392255025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 109392255025 in words is "one hundred nine billion, three hundred ninety-two million, two hundred fifty-five thousand, twenty-five".