25144001031045 has 16 divisors (see below), whose sum is σ = 43325047930752. Its totient is φ = 12378585122880.

The previous prime is 25144001031007. The next prime is 25144001031047. The reversal of 25144001031045 is 54013010044152.

It is not a de Polignac number, because 25144001031045 - 2⁸ = 25144001030789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25144001031047) 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, 64471797321 + ... + 64471797710.

It is an arithmetic number, because the mean of its divisors is an integer number (2707815495672).

Almost surely, 2^{25144001031045} is an apocalyptic number.

It is an amenable number.

25144001031045 is a deficient number, since it is larger than the sum of its proper divisors (18181046899707).

25144001031045 is a wasteful number, since it uses less digits than its factorization.

25144001031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128943595052.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 25144001031045 its reverse (54013010044152), we get a palindrome (79157011075197).

The spelling of 25144001031045 in words is "twenty-five trillion, one hundred forty-four billion, one million, thirty-one thousand, forty-five".