25304112011 has 8 divisors (see below), whose sum is σ = 26712674880. Its totient is φ = 23903225928.

The previous prime is 25304111999. The next prime is 25304112019. The reversal of 25304112011 is 11021140352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25304112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25304112019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912421 + ... + 1925606.

It is an arithmetic number, because the mean of its divisors is an integer number (3339084360).

Almost surely, 2^25304112011 is an apocalyptic number.

25304112011 is a deficient number, since it is larger than the sum of its proper divisors (1408562869).

25304112011 is a wasteful number, since it uses less digits than its factorization.

25304112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838393.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 25304112011 its reverse (11021140352), we get a palindrome (36325252363).

The spelling of 25304112011 in words is "twenty-five billion, three hundred four million, one hundred twelve thousand, eleven".