5155131647 has 2 divisors, whose sum is σ = 5155131648. Its totient is φ = 5155131646.

The previous prime is 5155131617. The next prime is 5155131673. The reversal of 5155131647 is 7461315515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5155131647 - 2¹⁰ = 5155130623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155131647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155131617) 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 as a sum of consecutive naturals, namely, 2577565823 + 2577565824.

It is an arithmetic number, because the mean of its divisors is an integer number (2577565824).

Almost surely, 2^5155131647 is an apocalyptic number.

5155131647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155131647 is an equidigital number, since it uses as much as digits as its factorization.

5155131647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 38.

The square root of 5155131647 is about 71799.2454486814. The cubic root of 5155131647 is about 1727.4808967738.

The spelling of 5155131647 in words is "five billion, one hundred fifty-five million, one hundred thirty-one thousand, six hundred forty-seven".