25551014527 has 2 divisors, whose sum is σ = 25551014528. Its totient is φ = 25551014526.

The previous prime is 25551014521. The next prime is 25551014561. The reversal of 25551014527 is 72541015552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25551014527 - 2³ = 25551014519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25551014521) 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, 12775507263 + 12775507264.

It is an arithmetic number, because the mean of its divisors is an integer number (12775507264).

Almost surely, 2^25551014527 is an apocalyptic number.

25551014527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25551014527 is an equidigital number, since it uses as much as digits as its factorization.

25551014527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 25551014527 in words is "twenty-five billion, five hundred fifty-one million, fourteen thousand, five hundred twenty-seven".