188101531552 has 72 divisors (see below), whose sum is σ = 428475247200. Its totient is φ = 81000627840.

The previous prime is 188101531547. The next prime is 188101531567. The reversal of 188101531552 is 255135101881.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1204852 + ... + 1351987.

It is an arithmetic number, because the mean of its divisors is an integer number (5951045100).

Almost surely, 2^188101531552 is an apocalyptic number.

It is an amenable number.

188101531552 is an abundant number, since it is smaller than the sum of its proper divisors (240373715648).

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

188101531552 is a wasteful number, since it uses less digits than its factorization.

188101531552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556890 (or 2556871 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 40.

The spelling of 188101531552 in words is "one hundred eighty-eight billion, one hundred one million, five hundred thirty-one thousand, five hundred fifty-two".