40012031511 has 16 divisors (see below), whose sum is σ = 59285894400. Its totient is φ = 26670722904.

The previous prime is 40012031497. The next prime is 40012031513. The reversal of 40012031511 is 11513021004.

40012031511 is a `hidden beast` number, since 4 + 0 + 0 + 120 + 31 + 511 = 666.

It is not a de Polignac number, because 40012031511 - 2¹⁸ = 40011769367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012031513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80910 + ... + 294228.

It is an arithmetic number, because the mean of its divisors is an integer number (3705368400).

Almost surely, 2^40012031511 is an apocalyptic number.

40012031511 is a deficient number, since it is larger than the sum of its proper divisors (19273862889).

40012031511 is a wasteful number, since it uses less digits than its factorization.

40012031511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220275 (or 220269 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 40012031511 its reverse (11513021004), we get a palindrome (51525052515).

The spelling of 40012031511 in words is "forty billion, twelve million, thirty-one thousand, five hundred eleven".