25261500002 has 16 divisors (see below), whose sum is σ = 38190594624. Its totient is φ = 12531510000.

The previous prime is 25261499959. The next prime is 25261500037. The reversal of 25261500002 is 20000516252.

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, 193352 + ... + 296492.

It is an arithmetic number, because the mean of its divisors is an integer number (2386912164).

Almost surely, 2^25261500002 is an apocalyptic number.

25261500002 is a deficient number, since it is larger than the sum of its proper divisors (12929094622).

25261500002 is a wasteful number, since it uses less digits than its factorization.

25261500002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104105.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 25261500002 in words is "twenty-five billion, two hundred sixty-one million, five hundred thousand, two".