5311131335012 has 48 divisors (see below), whose sum is σ = 9661161753600. Its totient is φ = 2551686399360.

The previous prime is 5311131335011. The next prime is 5311131335023. The reversal of 5311131335012 is 2105331311135.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (5311131335011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85824962 + ... + 85886822.

It is an arithmetic number, because the mean of its divisors is an integer number (201274203200).

Almost surely, 2^{5311131335012} is an apocalyptic number.

It is an amenable number.

5311131335012 is a deficient number, since it is larger than the sum of its proper divisors (4350030418588).

5311131335012 is a wasteful number, since it uses less digits than its factorization.

5311131335012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65436 (or 65434 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

Adding to 5311131335012 its reverse (2105331311135), we get a palindrome (7416462646147).

The spelling of 5311131335012 in words is "five trillion, three hundred eleven billion, one hundred thirty-one million, three hundred thirty-five thousand, twelve".