725353129107 has 6 divisors (see below), whose sum is σ = 1047732297612. Its totient is φ = 483568752732.

The previous prime is 725353129043. The next prime is 725353129117. The reversal of 725353129107 is 701921353527.

725353129107 is a `hidden beast` number, since 7 + 2 + 5 + 3 + 531 + 2 + 9 + 107 = 666.

It is not a de Polignac number, because 725353129107 - 2⁶ = 725353129043 is a prime.

It is a super-2 number, since 2×725353129107² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725353129117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40297396053 + ... + 40297396070.

It is an arithmetic number, because the mean of its divisors is an integer number (174622049602).

Almost surely, 2^725353129107 is an apocalyptic number.

725353129107 is a deficient number, since it is larger than the sum of its proper divisors (322379168505).

725353129107 is a wasteful number, since it uses less digits than its factorization.

725353129107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80594792129 (or 80594792126 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 725353129107 in words is "seven hundred twenty-five billion, three hundred fifty-three million, one hundred twenty-nine thousand, one hundred seven".