25006513424004 has 96 divisors (see below), whose sum is σ = 74095687491840. Its totient is φ = 7144494948864.

The previous prime is 25006513423999. The next prime is 25006513424021. The reversal of 25006513424004 is 40042431560052.

25006513424004 is a `hidden beast` number, since 2 + 500 + 65 + 13 + 42 + 40 + 0 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25006513424004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24503122 + ... + 25503254.

It is an arithmetic number, because the mean of its divisors is an integer number (771830078040).

Almost surely, 2^{25006513424004} is an apocalyptic number.

It is an amenable number.

25006513424004 is an abundant number, since it is smaller than the sum of its proper divisors (49089174067836).

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

25006513424004 is a wasteful number, since it uses less digits than its factorization.

25006513424004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033226 (or 1033218 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 25006513424004 its reverse (40042431560052), we get a palindrome (65048944984056).

The spelling of 25006513424004 in words is "twenty-five trillion, six billion, five hundred thirteen million, four hundred twenty-four thousand, four".