25226950956481 has 4 divisors (see below), whose sum is σ = 25227036639364. Its totient is φ = 25226865273600.

The previous prime is 25226950956457. The next prime is 25226950956491. The reversal of 25226950956481 is 18465905962252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19506435058881 + 5720515897600 = 4416609^2 + 2391760^2 .

It is a cyclic number.

It is not a de Polignac number, because 25226950956481 - 2¹³ = 25226950948289 is a prime.

It is a super-2 number, since 2×25226950956481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25226950956491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42398280 + ... + 42989161.

It is an arithmetic number, because the mean of its divisors is an integer number (6306759159841).

Almost surely, 2^{25226950956481} is an apocalyptic number.

It is an amenable number.

25226950956481 is a deficient number, since it is larger than the sum of its proper divisors (85682883).

25226950956481 is an equidigital number, since it uses as much as digits as its factorization.

25226950956481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85682882.

The product of its (nonzero) digits is 93312000, while the sum is 64.

The spelling of 25226950956481 in words is "twenty-five trillion, two hundred twenty-six billion, nine hundred fifty million, nine hundred fifty-six thousand, four hundred eighty-one".