725154651220 has 24 divisors (see below), whose sum is σ = 1523395012608. Its totient is φ = 289953242400.

The previous prime is 725154651197. The next prime is 725154651223. The reversal of 725154651220 is 22156451527.

It is a happy number.

725154651220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725154651223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6733876 + ... + 6840715.

It is an arithmetic number, because the mean of its divisors is an integer number (63474792192).

Almost surely, 2^725154651220 is an apocalyptic number.

It is an amenable number.

725154651220 is an abundant number, since it is smaller than the sum of its proper divisors (798240361388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725154651220 is a wasteful number, since it uses less digits than its factorization.

725154651220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13577271 (or 13577269 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 725154651220 in words is "seven hundred twenty-five billion, one hundred fifty-four million, six hundred fifty-one thousand, two hundred twenty".