25417559401 has 64 divisors (see below), whose sum is σ = 30519853056. Its totient is φ = 20945433600.

The previous prime is 25417559399. The next prime is 25417559441. The reversal of 25417559401 is 10495571452.

It is not a de Polignac number, because 25417559401 - 2¹ = 25417559399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25417559441) 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 63 ways as a sum of consecutive naturals, for example, 113979976 + ... + 113980198.

It is an arithmetic number, because the mean of its divisors is an integer number (476872704).

Almost surely, 2^25417559401 is an apocalyptic number.

It is an amenable number.

25417559401 is a deficient number, since it is larger than the sum of its proper divisors (5102293655).

25417559401 is a wasteful number, since it uses less digits than its factorization.

25417559401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 25417559401 in words is "twenty-five billion, four hundred seventeen million, five hundred fifty-nine thousand, four hundred one".