5155415663 has 2 divisors, whose sum is σ = 5155415664. Its totient is φ = 5155415662.

The previous prime is 5155415659. The next prime is 5155415677. The reversal of 5155415663 is 3665145515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5155415663 - 2² = 5155415659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155415663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155415633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577707831 + 2577707832.

It is an arithmetic number, because the mean of its divisors is an integer number (2577707832).

Almost surely, 2^5155415663 is an apocalyptic number.

5155415663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155415663 is an equidigital number, since it uses as much as digits as its factorization.

5155415663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 41.

The square root of 5155415663 is about 71801.2232695238. The cubic root of 5155415663 is about 1727.5126207102.

The spelling of 5155415663 in words is "five billion, one hundred fifty-five million, four hundred fifteen thousand, six hundred sixty-three".