1226250242055 has 12 divisors (see below), whose sum is σ = 2125500419640. Its totient is φ = 654000129072.

The previous prime is 1226250242047. The next prime is 1226250242069. The reversal of 1226250242055 is 5502420526221.

1226250242055 is a `hidden beast` number, since 1 + 2 + 2 + 62 + 502 + 42 + 0 + 55 = 666.

It is not a de Polignac number, because 1226250242055 - 2³ = 1226250242047 is a prime.

It is a super-2 number, since 2×1226250242055² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13625002645 + ... + 13625002734.

It is an arithmetic number, because the mean of its divisors is an integer number (177125034970).

Almost surely, 2^{1226250242055} is an apocalyptic number.

1226250242055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1226250242055 is a deficient number, since it is larger than the sum of its proper divisors (899250177585).

1226250242055 is a wasteful number, since it uses less digits than its factorization.

1226250242055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250005390 (or 27250005387 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 1226250242055 its reverse (5502420526221), we get a palindrome (6728670768276).

The spelling of 1226250242055 in words is "one trillion, two hundred twenty-six billion, two hundred fifty million, two hundred forty-two thousand, fifty-five".