100113455521555 has 16 divisors (see below), whose sum is σ = 137299017325824. Its totient is φ = 68648944623840.

The previous prime is 100113455521531. The next prime is 100113455521571. The reversal of 100113455521555 is 555125554311001.

It is not a de Polignac number, because 100113455521555 - 2¹¹ = 100113455519507 is a prime.

It is a Duffinian 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, 2952840 + ... + 14454970.

It is an arithmetic number, because the mean of its divisors is an integer number (8581188582864).

Almost surely, 2^{100113455521555} is an apocalyptic number.

100113455521555 is a deficient number, since it is larger than the sum of its proper divisors (37185561804269).

100113455521555 is a wasteful number, since it uses less digits than its factorization.

100113455521555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750826.

The product of its (nonzero) digits is 375000, while the sum is 43.

The spelling of 100113455521555 in words is "one hundred trillion, one hundred thirteen billion, four hundred fifty-five million, five hundred twenty-one thousand, five hundred fifty-five".