25061111011 has 16 divisors (see below), whose sum is σ = 25621747200. Its totient is φ = 24506380800.

The previous prime is 25061110981. The next prime is 25061111077. The reversal of 25061111011 is 11011116052.

It is a cyclic number.

It is not a de Polignac number, because 25061111011 - 2¹⁷ = 25060979939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25061111011.

It is not an unprimeable number, because it can be changed into a prime (25061118011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15652611 + ... + 15654211.

It is an arithmetic number, because the mean of its divisors is an integer number (1601359200).

Almost surely, 2^25061111011 is an apocalyptic number.

25061111011 is a deficient number, since it is larger than the sum of its proper divisors (560636189).

25061111011 is a wasteful number, since it uses less digits than its factorization.

25061111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 25061111011 its reverse (11011116052), we get a palindrome (36072227063).

The spelling of 25061111011 in words is "twenty-five billion, sixty-one million, one hundred eleven thousand, eleven".