25115524245 has 48 divisors (see below), whose sum is σ = 51915831552. Its totient is φ = 10982188800.

The previous prime is 25115524241. The next prime is 25115524267. The reversal of 25115524245 is 54242551152.

25115524245 is a `hidden beast` number, since 25 + 1 + 1 + 552 + 42 + 45 = 666.

It is not a de Polignac number, because 25115524245 - 2² = 25115524241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115524241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1726056 + ... + 1740545.

It is an arithmetic number, because the mean of its divisors is an integer number (1081579824).

Almost surely, 2^25115524245 is an apocalyptic number.

It is an amenable number.

25115524245 is an abundant number, since it is smaller than the sum of its proper divisors (26800307307).

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

25115524245 is a wasteful number, since it uses less digits than its factorization.

25115524245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466642 (or 3466639 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The spelling of 25115524245 in words is "twenty-five billion, one hundred fifteen million, five hundred twenty-four thousand, two hundred forty-five".