25112011 has 8 divisors (see below), whose sum is σ = 25855200. Its totient is φ = 24372288.

The previous prime is 25111987. The next prime is 25112027. The reversal of 25112011 is 11021152.

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

It is a cyclic number.

It is not a de Polignac number, because 25112011 - 2⁵ = 25111979 is a prime.

It is a super-2 number, since 2×25112011² = 1261226192928242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25111982 and 25112000.

It is not an unprimeable number, because it can be changed into a prime (25112081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23415 + ... + 24463.

It is an arithmetic number, because the mean of its divisors is an integer number (3231900).

Almost surely, 2^25112011 is an apocalyptic number.

25112011 is a deficient number, since it is larger than the sum of its proper divisors (743189).

25112011 is a wasteful number, since it uses less digits than its factorization.

25112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 25112011 is about 5011.1885815643. The cubic root of 25112011 is about 292.8378194440.

Adding to 25112011 its reverse (11021152), we get a palindrome (36133163).

The spelling of 25112011 in words is "twenty-five million, one hundred twelve thousand, eleven".