25252155063 has 6 divisors (see below), whose sum is σ = 36475335104. Its totient is φ = 16834770036.

The previous prime is 25252155059. The next prime is 25252155073. The reversal of 25252155063 is 36055125252.

25252155063 is a `hidden beast` number, since 2 + 5 + 25 + 21 + 550 + 63 = 666.

It is not a de Polignac number, because 25252155063 - 2² = 25252155059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252155053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1402897495 + ... + 1402897512.

Almost surely, 2^25252155063 is an apocalyptic number.

25252155063 is a deficient number, since it is larger than the sum of its proper divisors (11223180041).

25252155063 is a wasteful number, since it uses less digits than its factorization.

25252155063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805795013 (or 2805795010 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 25252155063 in words is "twenty-five billion, two hundred fifty-two million, one hundred fifty-five thousand, sixty-three".