11113421011980 has 48 divisors (see below), whose sum is σ = 35562947239680. Its totient is φ = 2540210516928.

The previous prime is 11113421011951. The next prime is 11113421011981. The reversal of 11113421011980 is 8911012431111.

It is a super-4 number, since 4×11113421011980⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11113421011981) 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, 13230262690 + ... + 13230263529.

It is an arithmetic number, because the mean of its divisors is an integer number (740894734160).

Almost surely, 2^{11113421011980} is an apocalyptic number.

11113421011980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113421011980 is an abundant number, since it is smaller than the sum of its proper divisors (24449526227700).

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

11113421011980 is a wasteful number, since it uses less digits than its factorization.

11113421011980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26460526238 (or 26460526236 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 33.

The spelling of 11113421011980 in words is "eleven trillion, one hundred thirteen billion, four hundred twenty-one million, eleven thousand, nine hundred eighty".