25250311105 has 16 divisors (see below), whose sum is σ = 30763252224. Its totient is φ = 19891872000.

The previous prime is 25250311103. The next prime is 25250311139. The reversal of 25250311105 is 50111305252.

It is not a de Polignac number, because 25250311105 - 2¹ = 25250311103 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 25250311105.

It is not an unprimeable number, because it can be changed into a prime (25250311103) 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, 1098480 + ... + 1121230.

It is an arithmetic number, because the mean of its divisors is an integer number (1922703264).

Almost surely, 2^25250311105 is an apocalyptic number.

It is an amenable number.

25250311105 is a deficient number, since it is larger than the sum of its proper divisors (5512941119).

25250311105 is a wasteful number, since it uses less digits than its factorization.

25250311105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26136.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 25250311105 its reverse (50111305252), we get a palindrome (75361616357).

The spelling of 25250311105 in words is "twenty-five billion, two hundred fifty million, three hundred eleven thousand, one hundred five".