11110012001988 has 48 divisors (see below), whose sum is σ = 27471389609664. Its totient is φ = 3482557496320.

The previous prime is 11110012001981. The next prime is 11110012002059. The reversal of 11110012001988 is 88910021001111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11110012001981) 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, 22698393 + ... + 23182688.

It is an arithmetic number, because the mean of its divisors is an integer number (572320616868).

Almost surely, 2^{11110012001988} is an apocalyptic number.

It is an amenable number.

11110012001988 is an abundant number, since it is smaller than the sum of its proper divisors (16361377607676).

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

11110012001988 is a wasteful number, since it uses less digits than its factorization.

11110012001988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45882292 (or 45882290 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 33.

The spelling of 11110012001988 in words is "eleven trillion, one hundred ten billion, twelve million, one thousand, nine hundred eighty-eight".