2515126800863 has 2 divisors, whose sum is σ = 2515126800864. Its totient is φ = 2515126800862.

The previous prime is 2515126800773. The next prime is 2515126800871. The reversal of 2515126800863 is 3680086215152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2515126800863 - 2⁸ = 2515126800607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515126803863) 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, 1257563400431 + 1257563400432.

It is an arithmetic number, because the mean of its divisors is an integer number (1257563400432).

Almost surely, 2^{2515126800863} is an apocalyptic number.

2515126800863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515126800863 is an equidigital number, since it uses as much as digits as its factorization.

2515126800863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 2515126800863 in words is "two trillion, five hundred fifteen billion, one hundred twenty-six million, eight hundred thousand, eight hundred sixty-three".