25101078287 has 2 divisors, whose sum is σ = 25101078288. Its totient is φ = 25101078286.

The previous prime is 25101078263. The next prime is 25101078329. The reversal of 25101078287 is 78287010152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25101078287 - 2⁸ = 25101078031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25101078257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550539143 + 12550539144.

It is an arithmetic number, because the mean of its divisors is an integer number (12550539144).

Almost surely, 2^25101078287 is an apocalyptic number.

25101078287 is a deficient number, since it is larger than the sum of its proper divisors (1).

25101078287 is an equidigital number, since it uses as much as digits as its factorization.

25101078287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 41.

The spelling of 25101078287 in words is "twenty-five billion, one hundred one million, seventy-eight thousand, two hundred eighty-seven".