40113131511 has 8 divisors (see below), whose sum is σ = 53558565120. Its totient is φ = 26704892792.

The previous prime is 40113131447. The next prime is 40113131543. The reversal of 40113131511 is 11513131104.

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 40113131511 - 2⁶ = 40113131447 is a prime.

It is a super-2 number, since 2×40113131511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113131551) 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, 9296205 + ... + 9300518.

It is an arithmetic number, because the mean of its divisors is an integer number (6694820640).

Almost surely, 2^40113131511 is an apocalyptic number.

40113131511 is a deficient number, since it is larger than the sum of its proper divisors (13445433609).

40113131511 is a wasteful number, since it uses less digits than its factorization.

40113131511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597445.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 40113131511 its reverse (11513131104), we get a palindrome (51626262615).

The spelling of 40113131511 in words is "forty billion, one hundred thirteen million, one hundred thirty-one thousand, five hundred eleven".