25312500134424 has 48 divisors (see below), whose sum is σ = 68573506770600. Its totient is φ = 8435183871744.

The previous prime is 25312500134399. The next prime is 25312500134447. The reversal of 25312500134424 is 42443100521352.

It is a happy number.

25312500134424 is a `hidden beast` number, since 2 + 5 + 3 + 12 + 500 + 134 + 4 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47989489 + ... + 48514080.

Almost surely, 2^{25312500134424} is an apocalyptic number.

25312500134424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25312500134424 is an abundant number, since it is smaller than the sum of its proper divisors (43261006636176).

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

25312500134424 is a wasteful number, since it uses less digits than its factorization.

25312500134424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96507224 (or 96507217 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 25312500134424 its reverse (42443100521352), we get a palindrome (67755600655776).

The spelling of 25312500134424 in words is "twenty-five trillion, three hundred twelve billion, five hundred million, one hundred thirty-four thousand, four hundred twenty-four".