113111200409 has 8 divisors (see below), whose sum is σ = 117272205000. Its totient is φ = 108967570432.

The previous prime is 113111200373. The next prime is 113111200453. The reversal of 113111200409 is 904002111311.

It can be written as a sum of positive squares in 4 ways, for example, as 44498636809 + 68612563600 = 210947^2 + 261940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113111200409 - 2²⁸ = 112842764953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113111200009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4330394 + ... + 4356435.

It is an arithmetic number, because the mean of its divisors is an integer number (14659025625).

Almost surely, 2^113111200409 is an apocalyptic number.

It is an amenable number.

113111200409 is a deficient number, since it is larger than the sum of its proper divisors (4161004591).

113111200409 is an equidigital number, since it uses as much as digits as its factorization.

113111200409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687307.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 113111200409 in words is "one hundred thirteen billion, one hundred eleven million, two hundred thousand, four hundred nine".