69108523225 has 135 divisors (see below), whose sum is σ = 106411130007. Its totient is φ = 44517997440.

The previous prime is 69108523219. The next prime is 69108523247. The reversal of 69108523225 is 52232580196.

The square root of 69108523225 is 262885.

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 12956585929 + 56151937296 = 113827^2 + 236964^2 .

It is not a de Polignac number, because 69108523225 - 2¹³ = 69108515033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1867797907 + ... + 1867797943.

Almost surely, 2^69108523225 is an apocalyptic number.

69108523225 is the 262885-th square number.

69108523225 is the 131443-rd centered octagonal number.

It is an amenable number.

69108523225 is a deficient number, since it is larger than the sum of its proper divisors (37302606782).

69108523225 is an frugal number, since it uses more digits than its factorization.

69108523225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 69108523225 in words is "sixty-nine billion, one hundred eight million, five hundred twenty-three thousand, two hundred twenty-five".