400011113 has 4 divisors (see below), whose sum is σ = 404830608. Its totient is φ = 395191620.

The previous prime is 400011103. The next prime is 400011133. The reversal of 400011113 is 311110004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400011113 - 2⁴ = 400011097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400011094 and 400011103.

It is not an unprimeable number, because it can be changed into a prime (400011103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409623 + ... + 2409788.

It is an arithmetic number, because the mean of its divisors is an integer number (101207652).

Almost surely, 2^400011113 is an apocalyptic number.

It is an amenable number.

400011113 is a deficient number, since it is larger than the sum of its proper divisors (4819495).

400011113 is an equidigital number, since it uses as much as digits as its factorization.

400011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819494.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 400011113 is about 20000.2778230704. The cubic root of 400011113 is about 736.8131231052.

Adding to 400011113 its reverse (311110004), we get a palindrome (711121117).

It can be divided in two parts, 40001 and 1113, that added together give a palindrome (41114).

The spelling of 400011113 in words is "four hundred million, eleven thousand, one hundred thirteen".