111113403401 has 64 divisors (see below), whose sum is σ = 163410670080. Its totient is φ = 72626319360.

The previous prime is 111113403347. The next prime is 111113403403. The reversal of 111113403401 is 104304311111.

It is not a de Polignac number, because 111113403401 - 2²² = 111109209097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111113403403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380915 + ... + 606071.

It is an arithmetic number, because the mean of its divisors is an integer number (2553291720).

Almost surely, 2^111113403401 is an apocalyptic number.

111113403401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111113403401 is a deficient number, since it is larger than the sum of its proper divisors (52297266679).

111113403401 is a wasteful number, since it uses less digits than its factorization.

111113403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225234.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111113403401 its reverse (104304311111), we get a palindrome (215417714512).

The spelling of 111113403401 in words is "one hundred eleven billion, one hundred thirteen million, four hundred three thousand, four hundred one".