101555061504 has 288 divisors, whose sum is σ = 300111559104. Its totient is φ = 30284513280.

The previous prime is 101555061493. The next prime is 101555061527. The reversal of 101555061504 is 405160555101.

101555061504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155520442 + ... + 155521094.

Almost surely, 2^101555061504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101555061504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150055779552).

101555061504 is an abundant number, since it is smaller than the sum of its proper divisors (198556497600).

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

101555061504 is a wasteful number, since it uses less digits than its factorization.

101555061504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 101555061504 in words is "one hundred one billion, five hundred fifty-five million, sixty-one thousand, five hundred four".