225155390516 has 12 divisors (see below), whose sum is σ = 450310781088. Its totient is φ = 96495167352.

The previous prime is 225155390491. The next prime is 225155390519. The reversal of 225155390516 is 615093551522.

It is a happy number.

225155390516 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225155390519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020631946 + ... + 4020632001.

It is an arithmetic number, because the mean of its divisors is an integer number (37525898424).

Almost surely, 2^225155390516 is an apocalyptic number.

It is an amenable number.

225155390516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225155390516 is a wasteful number, since it uses less digits than its factorization.

225155390516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041263958 (or 8041263956 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 225155390516 in words is "two hundred twenty-five billion, one hundred fifty-five million, three hundred ninety thousand, five hundred sixteen".