25229981803 has 8 divisors (see below), whose sum is σ = 27215967296. Its totient is φ = 23250456000.

The previous prime is 25229981789. The next prime is 25229981857. The reversal of 25229981803 is 30818992252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25229981803 - 2⁵ = 25229981771 is a prime.

It is a super-2 number, since 2×25229981803² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25229981893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606803 + ... + 1622428.

It is an arithmetic number, because the mean of its divisors is an integer number (3401995912).

Almost surely, 2^25229981803 is an apocalyptic number.

25229981803 is a deficient number, since it is larger than the sum of its proper divisors (1985985493).

25229981803 is a wasteful number, since it uses less digits than its factorization.

25229981803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229845.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 25229981803 in words is "twenty-five billion, two hundred twenty-nine million, nine hundred eighty-one thousand, eight hundred three".