25152030782 has 4 divisors (see below), whose sum is σ = 37728046176. Its totient is φ = 12576015390.

The previous prime is 25152030769. The next prime is 25152030797. The reversal of 25152030782 is 28703025152.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288007694 + ... + 6288007697.

It is an arithmetic number, because the mean of its divisors is an integer number (9432011544).

Almost surely, 2^25152030782 is an apocalyptic number.

25152030782 is a deficient number, since it is larger than the sum of its proper divisors (12576015394).

25152030782 is a wasteful number, since it uses less digits than its factorization.

25152030782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12576015393.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 25152030782 in words is "twenty-five billion, one hundred fifty-two million, thirty thousand, seven hundred eighty-two".