5136318561 has 16 divisors (see below), whose sum is σ = 7473312000. Its totient is φ = 3111960720.

The previous prime is 5136318553. The next prime is 5136318569. The reversal of 5136318561 is 1658136315.

It is an interprime number because it is at equal distance from previous prime (5136318553) and next prime (5136318569).

It is not a de Polignac number, because 5136318561 - 2³ = 5136318553 is a prime.

It is a super-2 number, since 2×5136318561² = 52763536720146221442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5136318569) 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, 93226 + ... + 137708.

It is an arithmetic number, because the mean of its divisors is an integer number (467082000).

Almost surely, 2^5136318561 is an apocalyptic number.

It is an amenable number.

5136318561 is a deficient number, since it is larger than the sum of its proper divisors (2336993439).

5136318561 is a wasteful number, since it uses less digits than its factorization.

5136318561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47996.

The product of its digits is 64800, while the sum is 39.

The square root of 5136318561 is about 71668.1139768586. The cubic root of 5136318561 is about 1725.3769180983.

The spelling of 5136318561 in words is "five billion, one hundred thirty-six million, three hundred eighteen thousand, five hundred sixty-one".