40111113 has 16 divisors (see below), whose sum is σ = 61243776. Its totient is φ = 22874880.

The previous prime is 40111087. The next prime is 40111129. The reversal of 40111113 is 31111104.

It is not a de Polignac number, because 40111113 - 2⁵ = 40111081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40111133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10843 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (3827736).

Almost surely, 2^40111113 is an apocalyptic number.

It is an amenable number.

40111113 is a deficient number, since it is larger than the sum of its proper divisors (21132663).

40111113 is a wasteful number, since it uses less digits than its factorization.

40111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824.

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

The square root of 40111113 is about 6333.3334824561. Note that the first 3 decimals coincide. The cubic root of 40111113 is about 342.3115641669.

Adding to 40111113 its reverse (31111104), we get a palindrome (71222217).

Subtracting from 40111113 its reverse (31111104), we obtain a palindrome (9000009).

The spelling of 40111113 in words is "forty million, one hundred eleven thousand, one hundred thirteen".