225016122064520 has 32 divisors (see below), whose sum is σ = 506290138113600. Its totient is φ = 90005761987008.

The previous prime is 225016122064507. The next prime is 225016122064607. The reversal of 225016122064520 is 25460221610522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16140110 + ... + 26655869.

It is an arithmetic number, because the mean of its divisors is an integer number (15821566816050).

Almost surely, 2^{225016122064520} is an apocalyptic number.

225016122064520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225016122064520 is an abundant number, since it is smaller than the sum of its proper divisors (281274016049080).

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

225016122064520 is a wasteful number, since it uses less digits than its factorization.

225016122064520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42927437 (or 42927433 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 225016122064520 in words is "two hundred twenty-five trillion, sixteen billion, one hundred twenty-two million, sixty-four thousand, five hundred twenty".