5155581313 has 8 divisors (see below), whose sum is σ = 5459478408. Its totient is φ = 4851753984.

The previous prime is 5155581311. The next prime is 5155581329. The reversal of 5155581313 is 3131855515.

It can be written as a sum of positive squares in 4 ways, for example, as 816987889 + 4338593424 = 28583^2 + 65868^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5155581313 - 2¹ = 5155581311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155581311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273645 + ... + 291877.

It is an arithmetic number, because the mean of its divisors is an integer number (682434801).

Almost surely, 2^5155581313 is an apocalyptic number.

It is an amenable number.

5155581313 is a deficient number, since it is larger than the sum of its proper divisors (303897095).

5155581313 is a wasteful number, since it uses less digits than its factorization.

5155581313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34883.

The product of its digits is 45000, while the sum is 37.

The square root of 5155581313 is about 71802.3767921369. The cubic root of 5155581313 is about 1727.5311228976.

The spelling of 5155581313 in words is "five billion, one hundred fifty-five million, five hundred eighty-one thousand, three hundred thirteen".