25351540012422 has 48 divisors (see below), whose sum is σ = 61344467205840. Its totient is φ = 7800473848032.

The previous prime is 25351540012399. The next prime is 25351540012451. The reversal of 25351540012422 is 22421004515352.

25351540012422 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 1 + 5 + 400 + 1 + 242 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 2006288397 + ... + 2006301032.

It is an arithmetic number, because the mean of its divisors is an integer number (1278009733455).

Almost surely, 2^{25351540012422} is an apocalyptic number.

25351540012422 is an abundant number, since it is smaller than the sum of its proper divisors (35992927193418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25351540012422 is a wasteful number, since it uses less digits than its factorization.

25351540012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012589459 (or 4012589447 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 25351540012422 its reverse (22421004515352), we get a palindrome (47772544527774).

The spelling of 25351540012422 in words is "twenty-five trillion, three hundred fifty-one billion, five hundred forty million, twelve thousand, four hundred twenty-two".