25775263603 has 2 divisors, whose sum is σ = 25775263604. Its totient is φ = 25775263602.

The previous prime is 25775263511. The next prime is 25775263607. The reversal of 25775263603 is 30636257752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25775263603 - 2²⁹ = 25238392691 is a prime.

It is not a weakly prime, because it can be changed into another prime (25775263607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12887631801 + 12887631802.

It is an arithmetic number, because the mean of its divisors is an integer number (12887631802).

Almost surely, 2^25775263603 is an apocalyptic number.

25775263603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25775263603 is an equidigital number, since it uses as much as digits as its factorization.

25775263603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 25775263603 in words is "twenty-five billion, seven hundred seventy-five million, two hundred sixty-three thousand, six hundred three".