25156231441 has 16 divisors (see below), whose sum is σ = 27582327360. Its totient is φ = 22753564480.

The previous prime is 25156231417. The next prime is 25156231459. The reversal of 25156231441 is 14413265152.

It is a cyclic number.

It is not a de Polignac number, because 25156231441 - 2¹¹ = 25156229393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25156231397 and 25156231406.

It is not an unprimeable number, because it can be changed into a prime (25156232441) 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, 2352990 + ... + 2363656.

It is an arithmetic number, because the mean of its divisors is an integer number (1723895460).

Almost surely, 2^25156231441 is an apocalyptic number.

It is an amenable number.

25156231441 is a deficient number, since it is larger than the sum of its proper divisors (2426095919).

25156231441 is a wasteful number, since it uses less digits than its factorization.

25156231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744.

The product of its digits is 28800, while the sum is 34.

Adding to 25156231441 its reverse (14413265152), we get a palindrome (39569496593).

The spelling of 25156231441 in words is "twenty-five billion, one hundred fifty-six million, two hundred thirty-one thousand, four hundred forty-one".