25115342116212 has 120 divisors (see below), whose sum is σ = 67680083205504. Its totient is φ = 8117080944768.

The previous prime is 25115342116177. The next prime is 25115342116229. The reversal of 25115342116212 is 21261124351152.

25115342116212 is a `hidden beast` number, since 2 + 5 + 1 + 1 + 5 + 3 + 4 + 21 + 1 + 621 + 2 = 666.

It is a super-2 number, since 2×25115342116212² (a number of 28 digits) contains 22 as substring.

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6077553 + ... + 9336344.

Almost surely, 2^{25115342116212} is an apocalyptic number.

It is an amenable number.

25115342116212 is an abundant number, since it is smaller than the sum of its proper divisors (42564741089292).

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

25115342116212 is a wasteful number, since it uses less digits than its factorization.

25115342116212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414067 (or 15414056 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

Adding to 25115342116212 its reverse (21261124351152), we get a palindrome (46376466467364).

The spelling of 25115342116212 in words is "twenty-five trillion, one hundred fifteen billion, three hundred forty-two million, one hundred sixteen thousand, two hundred twelve".