25113027887 has 2 divisors, whose sum is σ = 25113027888. Its totient is φ = 25113027886.

The previous prime is 25113027803. The next prime is 25113027899. The reversal of 25113027887 is 78872031152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25113027887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25113027587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556513943 + 12556513944.

It is an arithmetic number, because the mean of its divisors is an integer number (12556513944).

Almost surely, 2^25113027887 is an apocalyptic number.

25113027887 is a deficient number, since it is larger than the sum of its proper divisors (1).

25113027887 is an equidigital number, since it uses as much as digits as its factorization.

25113027887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 25113027887 in words is "twenty-five billion, one hundred thirteen million, twenty-seven thousand, eight hundred eighty-seven".