400113111 has 8 divisors (see below), whose sum is σ = 534386160. Its totient is φ = 266291072.

The previous prime is 400113047. The next prime is 400113113. The reversal of 400113111 is 111311004.

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 400113111 - 2⁶ = 400113047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400113113) 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, 110676 + ... + 114233.

It is an arithmetic number, because the mean of its divisors is an integer number (66798270).

Almost surely, 2^400113111 is an apocalyptic number.

400113111 is a deficient number, since it is larger than the sum of its proper divisors (134273049).

400113111 is a wasteful number, since it uses less digits than its factorization.

400113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225505.

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

The square root of 400113111 is about 20002.8275751205. The cubic root of 400113111 is about 736.8757439305.

Adding to 400113111 its reverse (111311004), we get a palindrome (511424115).

The spelling of 400113111 in words is "four hundred million, one hundred thirteen thousand, one hundred eleven".