100539784045888 has 112 divisors (see below), whose sum is σ = 219665655095040. Its totient is φ = 45276127232000.

The previous prime is 100539784045871. The next prime is 100539784045901. The reversal of 100539784045888 is 888540487935001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186757968 + ... + 187295536.

It is an arithmetic number, because the mean of its divisors is an integer number (1961300491920).

Almost surely, 2^{100539784045888} 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 100539784045888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109832827547520).

100539784045888 is an abundant number, since it is smaller than the sum of its proper divisors (119125871049152).

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

100539784045888 is a wasteful number, since it uses less digits than its factorization.

100539784045888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540056 (or 540046 counting only the distinct ones).

The product of its (nonzero) digits is 309657600, while the sum is 70.

The spelling of 100539784045888 in words is "one hundred trillion, five hundred thirty-nine billion, seven hundred eighty-four million, forty-five thousand, eight hundred eighty-eight".