25206071008 has 48 divisors (see below), whose sum is σ = 50148274176. Its totient is φ = 12470209920.

The previous prime is 25206070973. The next prime is 25206071017. The reversal of 25206071008 is 80017060252.

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 in 7 ways as a sum of consecutive naturals, for example, 5215153 + ... + 5219983.

It is an arithmetic number, because the mean of its divisors is an integer number (1044755712).

Almost surely, 2^25206071008 is an apocalyptic number.

It is an amenable number.

25206071008 is a deficient number, since it is larger than the sum of its proper divisors (24942203168).

25206071008 is a wasteful number, since it uses less digits than its factorization.

25206071008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527 (or 6519 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 25206071008 in words is "twenty-five billion, two hundred six million, seventy-one thousand, eight".