25802743051 has 8 divisors (see below), whose sum is σ = 26419498560. Its totient is φ = 25188811008.

The previous prime is 25802743049. The next prime is 25802743063. The reversal of 25802743051 is 15034720852.

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 25802743051 - 2¹ = 25802743049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25802743051.

It is not an unprimeable number, because it can be changed into a prime (25802743091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687366 + ... + 723931.

It is an arithmetic number, because the mean of its divisors is an integer number (3302437320).

Almost surely, 2^25802743051 is an apocalyptic number.

25802743051 is a deficient number, since it is larger than the sum of its proper divisors (616755509).

25802743051 is a wasteful number, since it uses less digits than its factorization.

25802743051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411733.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 25802743051 in words is "twenty-five billion, eight hundred two million, seven hundred forty-three thousand, fifty-one".