111275481380 has 24 divisors (see below), whose sum is σ = 267061155648. Its totient is φ = 38151593568.

The previous prime is 111275481379. The next prime is 111275481397. The reversal of 111275481380 is 83184572111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397412294 + ... + 397412573.

It is an arithmetic number, because the mean of its divisors is an integer number (11127548152).

Almost surely, 2^111275481380 is an apocalyptic number.

111275481380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111275481380 is an abundant number, since it is smaller than the sum of its proper divisors (155785674268).

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

111275481380 is a wasteful number, since it uses less digits than its factorization.

111275481380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794824883 (or 794824881 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 111275481380 in words is "one hundred eleven billion, two hundred seventy-five million, four hundred eighty-one thousand, three hundred eighty".