25782292506 has 32 divisors (see below), whose sum is σ = 51708222720. Its totient is φ = 8570187584.

The previous prime is 25782292499. The next prime is 25782292517. The reversal of 25782292506 is 60529228752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831816 + ... + 4837148.

It is an arithmetic number, because the mean of its divisors is an integer number (1615881960).

Almost surely, 2^25782292506 is an apocalyptic number.

25782292506 is an abundant number, since it is smaller than the sum of its proper divisors (25925930214).

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

25782292506 is a wasteful number, since it uses less digits than its factorization.

25782292506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 25782292506 in words is "twenty-five billion, seven hundred eighty-two million, two hundred ninety-two thousand, five hundred six".