1228596521841 has 32 divisors (see below), whose sum is σ = 1969443943040. Its totient is φ = 752476132800.

The previous prime is 1228596521833. The next prime is 1228596521849. The reversal of 1228596521841 is 1481256958221.

It is a happy number.

1228596521841 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 596 + 5 + 2 + 1 + 8 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (1228596521833) and next prime (1228596521849).

It is not a de Polignac number, because 1228596521841 - 2³ = 1228596521833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228596521849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8220430 + ... + 8368551.

It is an arithmetic number, because the mean of its divisors is an integer number (61545123220).

Almost surely, 2^{1228596521841} is an apocalyptic number.

It is an amenable number.

1228596521841 is a deficient number, since it is larger than the sum of its proper divisors (740847421199).

1228596521841 is a wasteful number, since it uses less digits than its factorization.

1228596521841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16589214 (or 16589208 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The spelling of 1228596521841 in words is "one trillion, two hundred twenty-eight billion, five hundred ninety-six million, five hundred twenty-one thousand, eight hundred forty-one".