40553111331 has 6 divisors (see below), whose sum is σ = 58576716380. Its totient is φ = 27035407548.

The previous prime is 40553111327. The next prime is 40553111351. The reversal of 40553111331 is 13311135504.

It is a happy number.

It is not a de Polignac number, because 40553111331 - 2² = 40553111327 is a prime.

It is a super-2 number, since 2×40553111331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40553111295 and 40553111304.

It is not an unprimeable number, because it can be changed into a prime (40553111351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2252950621 + ... + 2252950638.

Almost surely, 2^40553111331 is an apocalyptic number.

40553111331 is a deficient number, since it is larger than the sum of its proper divisors (18023605049).

40553111331 is a wasteful number, since it uses less digits than its factorization.

40553111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505901265 (or 4505901262 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 40553111331 its reverse (13311135504), we get a palindrome (53864246835).

The spelling of 40553111331 in words is "forty billion, five hundred fifty-three million, one hundred eleven thousand, three hundred thirty-one".