25214513305494 has 16 divisors (see below), whose sum is σ = 50435388384768. Its totient is φ = 8403777472872.

The previous prime is 25214513305447. The next prime is 25214513305507. The reversal of 25214513305494 is 49450331541252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265022382 + ... + 265117505.

It is an arithmetic number, because the mean of its divisors is an integer number (3152211774048).

Almost surely, 2^{25214513305494} is an apocalyptic number.

25214513305494 is an abundant number, since it is smaller than the sum of its proper divisors (25220875079274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25214513305494 is a wasteful number, since it uses less digits than its factorization.

25214513305494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530147819.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 25214513305494 in words is "twenty-five trillion, two hundred fourteen billion, five hundred thirteen million, three hundred five thousand, four hundred ninety-four".