111424120311400 has 48 divisors (see below), whose sum is σ = 278988855093900. Its totient is φ = 41141213652480.

The previous prime is 111424120311373. The next prime is 111424120311421. The reversal of 111424120311400 is 4113021424111.

It can be written as a sum of positive squares in 6 ways, for example, as 4592423284036 + 106831697027364 = 2142994^2 + 10335942^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21427712845 + ... + 21427718044.

Almost surely, 2^{111424120311400} is an apocalyptic number.

111424120311400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111424120311400 is an abundant number, since it is smaller than the sum of its proper divisors (167564734782500).

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

111424120311400 is a wasteful number, since it uses less digits than its factorization.

111424120311400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42855430918 (or 42855430909 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111424120311400 its reverse (4113021424111), we get a palindrome (115537141735511).

The spelling of 111424120311400 in words is "one hundred eleven trillion, four hundred twenty-four billion, one hundred twenty million, three hundred eleven thousand, four hundred".