2156263000336 has 240 divisors, whose sum is σ = 4586593939200. Its totient is φ = 979535462400.

The previous prime is 2156263000303. The next prime is 2156263000337. The reversal of 2156263000336 is 6330003626512.

It is a super-2 number, since 2×2156263000336² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2156263000295 and 2156263000304.

It is not an unprimeable number, because it can be changed into a prime (2156263000337) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10835492365 + ... + 10835492563.

It is an arithmetic number, because the mean of its divisors is an integer number (19110808080).

Almost surely, 2^{2156263000336} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2156263000336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2293296969600).

2156263000336 is an abundant number, since it is smaller than the sum of its proper divisors (2430330938864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156263000336 is a wasteful number, since it uses less digits than its factorization.

2156263000336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 2156263000336 its reverse (6330003626512), we get a palindrome (8486266626848).

The spelling of 2156263000336 in words is "two trillion, one hundred fifty-six billion, two hundred sixty-three million, three hundred thirty-six", and thus it is an aban number.