225115130621 has 8 divisors (see below), whose sum is σ = 226117372800. Its totient is φ = 224113997232.

The previous prime is 225115130609. The next prime is 225115130629. The reversal of 225115130621 is 126031511522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225115130621 - 2⁶ = 225115130557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225115130629) 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, 131096 + ... + 683678.

It is an arithmetic number, because the mean of its divisors is an integer number (28264671600).

Almost surely, 2^225115130621 is an apocalyptic number.

It is an amenable number.

225115130621 is a deficient number, since it is larger than the sum of its proper divisors (1002242179).

225115130621 is a wasteful number, since it uses less digits than its factorization.

225115130621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554395.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 225115130621 in words is "two hundred twenty-five billion, one hundred fifteen million, one hundred thirty thousand, six hundred twenty-one".