25304112045 has 80 divisors (see below), whose sum is σ = 46307416320. Its totient is φ = 13215436416.

The previous prime is 25304112037. The next prime is 25304112047. The reversal of 25304112045 is 54021140352.

25304112045 is a `hidden beast` number, since 2 + 530 + 4 + 1 + 120 + 4 + 5 = 666.

It is not a de Polignac number, because 25304112045 - 2³ = 25304112037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25304112047) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6617004 + ... + 6620826.

It is an arithmetic number, because the mean of its divisors is an integer number (578842704).

Almost surely, 2^25304112045 is an apocalyptic number.

It is an amenable number.

25304112045 is a deficient number, since it is larger than the sum of its proper divisors (21003304275).

25304112045 is a wasteful number, since it uses less digits than its factorization.

25304112045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25304112045 its reverse (54021140352), we get a palindrome (79325252397).

The spelling of 25304112045 in words is "twenty-five billion, three hundred four million, one hundred twelve thousand, forty-five".