11113401080 has 16 divisors (see below), whose sum is σ = 25005152520. Its totient is φ = 4445360416.

The previous prime is 11113401049. The next prime is 11113401193. The reversal of 11113401080 is 8010431111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138917474 + ... + 138917553.

Almost surely, 2^11113401080 is an apocalyptic number.

11113401080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113401080 is an abundant number, since it is smaller than the sum of its proper divisors (13891751440).

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

11113401080 is a wasteful number, since it uses less digits than its factorization.

11113401080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277835038 (or 277835034 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11113401080 its reverse (8010431111), we get a palindrome (19123832191).

The spelling of 11113401080 in words is "eleven billion, one hundred thirteen million, four hundred one thousand, eighty".