201553225512 has 32 divisors (see below), whose sum is σ = 520137358080. Its totient is φ = 65017169280.

The previous prime is 201553225477. The next prime is 201553225613. The reversal of 201553225512 is 215522355102.

It is a super-2 number, since 2×201553225512² (a number of 23 digits) contains 22 as substring.

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, 135451693 + ... + 135453180.

It is an arithmetic number, because the mean of its divisors is an integer number (16254292440).

Almost surely, 2^201553225512 is an apocalyptic number.

It is an amenable number.

201553225512 is an abundant number, since it is smaller than the sum of its proper divisors (318584132568).

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

201553225512 is a wasteful number, since it uses less digits than its factorization.

201553225512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270904913 (or 270904909 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 201553225512 in words is "two hundred one billion, five hundred fifty-three million, two hundred twenty-five thousand, five hundred twelve".