40403135511 has 12 divisors (see below), whose sum is σ = 58718124088. Its totient is φ = 26770174704.

The previous prime is 40403135471. The next prime is 40403135519. The reversal of 40403135511 is 11553130404.

It is a happy number.

40403135511 is a `hidden beast` number, since 40 + 40 + 31 + 3 + 551 + 1 = 666.

40403135511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40403135511 - 2¹³ = 40403127319 is a prime.

It is a super-2 number, since 2×40403135511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40403135519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13769200 + ... + 13772133.

Almost surely, 2^40403135511 is an apocalyptic number.

40403135511 is a deficient number, since it is larger than the sum of its proper divisors (18314988577).

40403135511 is a wasteful number, since it uses less digits than its factorization.

40403135511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27541502 (or 27541499 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 40403135511 its reverse (11553130404), we get a palindrome (51956265915).

The spelling of 40403135511 in words is "forty billion, four hundred three million, one hundred thirty-five thousand, five hundred eleven".