25212545111 has 8 divisors (see below), whose sum is σ = 27225960384. Its totient is φ = 23209699680.

The previous prime is 25212545087. The next prime is 25212545129. The reversal of 25212545111 is 11154521252.

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-25212545111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25212541111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637500 + ... + 2647041.

It is an arithmetic number, because the mean of its divisors is an integer number (3403245048).

Almost surely, 2^25212545111 is an apocalyptic number.

25212545111 is a deficient number, since it is larger than the sum of its proper divisors (2013415273).

25212545111 is a wasteful number, since it uses less digits than its factorization.

25212545111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284921.

The product of its digits is 4000, while the sum is 29.

The spelling of 25212545111 in words is "twenty-five billion, two hundred twelve million, five hundred forty-five thousand, one hundred eleven".