25220346022361 has 32 divisors (see below), whose sum is σ = 29479883980800. Its totient is φ = 21130476868800.

The previous prime is 25220346022321. The next prime is 25220346022381. The reversal of 25220346022361 is 16322064302252.

It is a cyclic number.

It is not a de Polignac number, because 25220346022361 - 2³⁰ = 25219272280537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25220346022321) 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 31 ways as a sum of consecutive naturals, for example, 1071416330 + ... + 1071439868.

It is an arithmetic number, because the mean of its divisors is an integer number (921246374400).

Almost surely, 2^{25220346022361} is an apocalyptic number.

It is an amenable number.

25220346022361 is a deficient number, since it is larger than the sum of its proper divisors (4259537958439).

25220346022361 is a wasteful number, since it uses less digits than its factorization.

25220346022361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42909.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 25220346022361 in words is "twenty-five trillion, two hundred twenty billion, three hundred forty-six million, twenty-two thousand, three hundred sixty-one".