25136045434612 has 24 divisors (see below), whose sum is σ = 50273217751680. Its totient is φ = 10772349425760.

The previous prime is 25136045434603. The next prime is 25136045434637. The reversal of 25136045434612 is 21643454063152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8787187 + ... + 11291002.

It is an arithmetic number, because the mean of its divisors is an integer number (2094717406320).

Almost surely, 2^{25136045434612} is an apocalyptic number.

It is an amenable number.

25136045434612 is an abundant number, since it is smaller than the sum of its proper divisors (25137172317068).

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

25136045434612 is a wasteful number, since it uses less digits than its factorization.

25136045434612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20122911 (or 20122909 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

Adding to 25136045434612 its reverse (21643454063152), we get a palindrome (46779499497764).

The spelling of 25136045434612 in words is "twenty-five trillion, one hundred thirty-six billion, forty-five million, four hundred thirty-four thousand, six hundred twelve".