990110101111011 has 16 divisors (see below), whose sum is σ = 1469199455990400. Its totient is φ = 659007046285704.

The previous prime is 990110101111003. The next prime is 990110101111037. The reversal of 990110101111011 is 110111101011099.

It is not a de Polignac number, because 990110101111011 - 2³ = 990110101111003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (990110101111111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29620940061 + ... + 29620973486.

It is an arithmetic number, because the mean of its divisors is an integer number (91824965999400).

Almost surely, 2^{990110101111011} is an apocalyptic number.

990110101111011 is a deficient number, since it is larger than the sum of its proper divisors (479089354879389).

990110101111011 is a wasteful number, since it uses less digits than its factorization.

990110101111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59241914175 (or 59241914169 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 27.

The spelling of 990110101111011 in words is "nine hundred ninety trillion, one hundred ten billion, one hundred one million, one hundred eleven thousand, eleven".