25354870159 has 2 divisors, whose sum is σ = 25354870160. Its totient is φ = 25354870158.

The previous prime is 25354870141. The next prime is 25354870199. The reversal of 25354870159 is 95107845352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25354870159 - 2⁵ = 25354870127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25354870199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12677435079 + 12677435080.

It is an arithmetic number, because the mean of its divisors is an integer number (12677435080).

Almost surely, 2^25354870159 is an apocalyptic number.

25354870159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25354870159 is an equidigital number, since it uses as much as digits as its factorization.

25354870159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 25354870159 in words is "twenty-five billion, three hundred fifty-four million, eight hundred seventy thousand, one hundred fifty-nine".