25578332430064 has 20 divisors (see below), whose sum is σ = 51156664861120. Its totient is φ = 12376612465920.

The previous prime is 25578332430047. The next prime is 25578332430071. The reversal of 25578332430064 is 46003423387552.

25578332430064 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25578332429993 and 25578332430020.

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, 25784608809 + ... + 25784609800.

It is an arithmetic number, because the mean of its divisors is an integer number (2557833243056).

Almost surely, 2^{25578332430064} is an apocalyptic number.

It is an amenable number.

25578332430064 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25578332430064 is a wasteful number, since it uses less digits than its factorization.

25578332430064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51569218648 (or 51569218642 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 25578332430064 in words is "twenty-five trillion, five hundred seventy-eight billion, three hundred thirty-two million, four hundred thirty thousand, sixty-four".