5513311391 has 12 divisors (see below), whose sum is σ = 6485510160. Its totient is φ = 4672594080.

The previous prime is 5513311387. The next prime is 5513311399. The reversal of 5513311391 is 1931133155.

It is not a de Polignac number, because 5513311391 - 2² = 5513311387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5513311399) 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, 627755 + ... + 636476.

It is an arithmetic number, because the mean of its divisors is an integer number (540459180).

Almost surely, 2^5513311391 is an apocalyptic number.

5513311391 is a deficient number, since it is larger than the sum of its proper divisors (972198769).

5513311391 is a wasteful number, since it uses less digits than its factorization.

5513311391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264334 (or 1264327 counting only the distinct ones).

The product of its digits is 6075, while the sum is 32.

The square root of 5513311391 is about 74251.6760147540. The cubic root of 5513311391 is about 1766.5970763182.

The spelling of 5513311391 in words is "five billion, five hundred thirteen million, three hundred eleven thousand, three hundred ninety-one".