25724543131316 has 12 divisors (see below), whose sum is σ = 46234651844388. Its totient is φ = 12514642604352.

The previous prime is 25724543131283. The next prime is 25724543131361. The reversal of 25724543131316 is 61313134542752.

It can be written as a sum of positive squares in 2 ways, for example, as 14044580712100 + 11679962419216 = 3747610^2 + 3417596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86907240161 + ... + 86907240456.

It is an arithmetic number, because the mean of its divisors is an integer number (3852887653699).

Almost surely, 2^{25724543131316} is an apocalyptic number.

It is an amenable number.

25724543131316 is a deficient number, since it is larger than the sum of its proper divisors (20510108713072).

25724543131316 is a wasteful number, since it uses less digits than its factorization.

25724543131316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173814480658 (or 173814480656 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 47.

The spelling of 25724543131316 in words is "twenty-five trillion, seven hundred twenty-four billion, five hundred forty-three million, one hundred thirty-one thousand, three hundred sixteen".