11100111009998 has 8 divisors (see below), whose sum is σ = 17056268137440. Its totient is φ = 5414688297520.

The previous prime is 11100111009997. The next prime is 11100111010063. The reversal of 11100111009998 is 89990011100111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100111009991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67683603638 + ... + 67683603801.

It is an arithmetic number, because the mean of its divisors is an integer number (2132033517180).

Almost surely, 2^{11100111009998} is an apocalyptic number.

11100111009998 is a deficient number, since it is larger than the sum of its proper divisors (5956157127442).

11100111009998 is a wasteful number, since it uses less digits than its factorization.

11100111009998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135367207482.

The product of its (nonzero) digits is 5832, while the sum is 41.

The spelling of 11100111009998 in words is "eleven trillion, one hundred billion, one hundred eleven million, nine thousand, nine hundred ninety-eight".