25314503522321 has 16 divisors (see below), whose sum is σ = 28459773511680. Its totient is φ = 22341284032320.

The previous prime is 25314503522251. The next prime is 25314503522351. The reversal of 25314503522321 is 12322530541352.

It is a cyclic number.

It is not a de Polignac number, because 25314503522321 - 2¹⁰ = 25314503521297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25314503522351) 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, 18237170 + ... + 19576091.

It is an arithmetic number, because the mean of its divisors is an integer number (1778735844480).

Almost surely, 2^{25314503522321} is an apocalyptic number.

It is an amenable number.

25314503522321 is a deficient number, since it is larger than the sum of its proper divisors (3145269989359).

25314503522321 is a wasteful number, since it uses less digits than its factorization.

25314503522321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37815536.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 25314503522321 in words is "twenty-five trillion, three hundred fourteen billion, five hundred three million, five hundred twenty-two thousand, three hundred twenty-one".