25144103431 has 8 divisors (see below), whose sum is σ = 25934513904. Its totient is φ = 24359526720.

The previous prime is 25144103423. The next prime is 25144103507. The reversal of 25144103431 is 13430144152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25144103431 - 2³ = 25144103423 is a prime.

It is a super-2 number, since 2×25144103431² (a number of 22 digits) contains 22 as substring.

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 25144103431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25144100431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449685 + ... + 1466926.

It is an arithmetic number, because the mean of its divisors is an integer number (3241814238).

Almost surely, 2^25144103431 is an apocalyptic number.

25144103431 is a deficient number, since it is larger than the sum of its proper divisors (790410473).

25144103431 is a wasteful number, since it uses less digits than its factorization.

25144103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916881.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 25144103431 its reverse (13430144152), we get a palindrome (38574247583).

The spelling of 25144103431 in words is "twenty-five billion, one hundred forty-four million, one hundred three thousand, four hundred thirty-one".