25081140744017 has 4 divisors (see below), whose sum is σ = 25085974270260. Its totient is φ = 25076307217776.

The previous prime is 25081140743987. The next prime is 25081140744047. The reversal of 25081140744017 is 71044704118052.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25081140743987) and next prime (25081140744047).

It can be written as a sum of positive squares in 2 ways, for example, as 21493757010496 + 3587383733521 = 4636136^2 + 1894039^2 .

It is a cyclic number.

It is not a de Polignac number, because 25081140744017 - 2²² = 25081136549713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25081140744047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416755338 + ... + 2416765715.

It is an arithmetic number, because the mean of its divisors is an integer number (6271493567565).

Almost surely, 2^{25081140744017} is an apocalyptic number.

It is an amenable number.

25081140744017 is a deficient number, since it is larger than the sum of its proper divisors (4833526243).

25081140744017 is an equidigital number, since it uses as much as digits as its factorization.

25081140744017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833526242.

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 25081140744017 in words is "twenty-five trillion, eighty-one billion, one hundred forty million, seven hundred forty-four thousand, seventeen".