5155433631391 has 2 divisors, whose sum is σ = 5155433631392. Its totient is φ = 5155433631390.

The previous prime is 5155433631349. The next prime is 5155433631427. The reversal of 5155433631391 is 1931363345515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5155433631391 - 2¹⁹ = 5155433107103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155436631391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577716815695 + 2577716815696.

It is an arithmetic number, because the mean of its divisors is an integer number (2577716815696).

Almost surely, 2^{5155433631391} is an apocalyptic number.

5155433631391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155433631391 is an equidigital number, since it uses as much as digits as its factorization.

5155433631391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2187000, while the sum is 49.

The spelling of 5155433631391 in words is "five trillion, one hundred fifty-five billion, four hundred thirty-three million, six hundred thirty-one thousand, three hundred ninety-one".