2155436236336 has 20 divisors (see below), whose sum is σ = 4176879033664. Its totient is φ = 1077531969600.

The previous prime is 2155436236223. The next prime is 2155436236357. The reversal of 2155436236336 is 6336326345512.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2155436236336.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11538735 + ... + 11724046.

Almost surely, 2^{2155436236336} is an apocalyptic number.

It is an amenable number.

2155436236336 is a deficient number, since it is larger than the sum of its proper divisors (2021442797328).

2155436236336 is a wasteful number, since it uses less digits than its factorization.

2155436236336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23268580 (or 23268574 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 49.

The spelling of 2155436236336 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-six million, two hundred thirty-six thousand, three hundred thirty-six".