25272381801 has 8 divisors (see below), whose sum is σ = 34248911104. Its totient is φ = 16572053520.

The previous prime is 25272381791. The next prime is 25272381811. The reversal of 25272381801 is 10818327252.

It is an interprime number because it is at equal distance from previous prime (25272381791) and next prime (25272381811).

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

It is not a de Polignac number, because 25272381801 - 2¹⁵ = 25272349033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25272381801.

It is not an unprimeable number, because it can be changed into a prime (25272381811) by changing a digit.

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, 69050041 + ... + 69050406.

It is an arithmetic number, because the mean of its divisors is an integer number (4281113888).

Almost surely, 2^25272381801 is an apocalyptic number.

It is an amenable number.

25272381801 is a deficient number, since it is larger than the sum of its proper divisors (8976529303).

25272381801 is a wasteful number, since it uses less digits than its factorization.

25272381801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138100511.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 25272381801 in words is "twenty-five billion, two hundred seventy-two million, three hundred eighty-one thousand, eight hundred one".