40513111 has 8 divisors (see below), whose sum is σ = 42703920. Its totient is φ = 38328192.

The previous prime is 40513061. The next prime is 40513133. The reversal of 40513111 is 11131504.

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 40513111 - 2⁹ = 40512599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40513171) 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, 25311 + ... + 26863.

It is an arithmetic number, because the mean of its divisors is an integer number (5337990).

Almost surely, 2^40513111 is an apocalyptic number.

40513111 is a deficient number, since it is larger than the sum of its proper divisors (2190809).

40513111 is a wasteful number, since it uses less digits than its factorization.

40513111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 40513111 is about 6364.9910447698. The cubic root of 40513111 is about 343.4513264183.

Adding to 40513111 its reverse (11131504), we get a palindrome (51644615).

The spelling of 40513111 in words is "forty million, five hundred thirteen thousand, one hundred eleven".