25226411421146 has 12 divisors (see below), whose sum is σ = 40974259971582. Its totient is φ = 11642959117296.

The previous prime is 25226411421143. The next prime is 25226411421151. The reversal of 25226411421146 is 64112411462252.

It can be written as a sum of positive squares in 3 ways, for example, as 18980965591225 + 6245445829921 = 4356715^2 + 2499089^2 .

It is a super-3 number, since 3×25226411421146³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25226411421143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37317176321 + ... + 37317176996.

Almost surely, 2^{25226411421146} is an apocalyptic number.

25226411421146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25226411421146 is a deficient number, since it is larger than the sum of its proper divisors (15747848550436).

25226411421146 is a wasteful number, since it uses less digits than its factorization.

25226411421146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74634353345 (or 74634353332 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

Adding to 25226411421146 its reverse (64112411462252), we get a palindrome (89338822883398).

The spelling of 25226411421146 in words is "twenty-five trillion, two hundred twenty-six billion, four hundred eleven million, four hundred twenty-one thousand, one hundred forty-six".