25061111085 has 32 divisors (see below), whose sum is σ = 42510085632. Its totient is φ = 12563809280.

The previous prime is 25061111077. The next prime is 25061111087. The reversal of 25061111085 is 58011116052.

It is not a de Polignac number, because 25061111085 - 2³ = 25061111077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25061111087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141580 + ... + 264890.

It is an arithmetic number, because the mean of its divisors is an integer number (1328440176).

Almost surely, 2^25061111085 is an apocalyptic number.

It is an amenable number.

25061111085 is a deficient number, since it is larger than the sum of its proper divisors (17448974547).

25061111085 is a wasteful number, since it uses less digits than its factorization.

25061111085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124133.

The product of its (nonzero) digits is 2400, while the sum is 30.

The spelling of 25061111085 in words is "twenty-five billion, sixty-one million, one hundred eleven thousand, eighty-five".