655625613125 has 40 divisors (see below), whose sum is σ = 941915990400. Its totient is φ = 446879304000.

The previous prime is 655625613107. The next prime is 655625613151. The reversal of 655625613125 is 521316526556.

655625613125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655625613125 - 2³⁴ = 638445743941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655625613125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 281951 + ... + 1179299.

It is an arithmetic number, because the mean of its divisors is an integer number (23547899760).

Almost surely, 2^655625613125 is an apocalyptic number.

It is an amenable number.

655625613125 is a deficient number, since it is larger than the sum of its proper divisors (286290377275).

655625613125 is an equidigital number, since it uses as much as digits as its factorization.

655625613125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897543 (or 897528 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 47.

The spelling of 655625613125 in words is "six hundred fifty-five billion, six hundred twenty-five million, six hundred thirteen thousand, one hundred twenty-five".