101561841832 has 32 divisors (see below), whose sum is σ = 207770368320. Its totient is φ = 46157754240.

The previous prime is 101561841757. The next prime is 101561841859. The reversal of 101561841832 is 238148165101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551173 + ... + 711979.

It is an arithmetic number, because the mean of its divisors is an integer number (6492824010).

Almost surely, 2^101561841832 is an apocalyptic number.

It is an amenable number.

101561841832 is an abundant number, since it is smaller than the sum of its proper divisors (106208526488).

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

101561841832 is a wasteful number, since it uses less digits than its factorization.

101561841832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168001 (or 167997 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 101561841832 in words is "one hundred one billion, five hundred sixty-one million, eight hundred forty-one thousand, eight hundred thirty-two".