5155581329 has 2 divisors, whose sum is σ = 5155581330. Its totient is φ = 5155581328.

The previous prime is 5155581311. The next prime is 5155581341. The reversal of 5155581329 is 9231855515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5090537104 + 65044225 = 71348^2 + 8065^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155581329 - 2²⁴ = 5138804113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155581329.

It is not a weakly prime, because it can be changed into another prime (5155581829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577790664 + 2577790665.

It is an arithmetic number, because the mean of its divisors is an integer number (2577790665).

Almost surely, 2^5155581329 is an apocalyptic number.

It is an amenable number.

5155581329 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155581329 is an equidigital number, since it uses as much as digits as its factorization.

5155581329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 44.

The square root of 5155581329 is about 71802.3769035538. The cubic root of 5155581329 is about 1727.5311246847.

The spelling of 5155581329 in words is "five billion, one hundred fifty-five million, five hundred eighty-one thousand, three hundred twenty-nine".