2256351436516 has 48 divisors (see below), whose sum is σ = 4192761314560. Its totient is φ = 1059495240960.

The previous prime is 2256351436499. The next prime is 2256351436517. The reversal of 2256351436516 is 6156341536522.

It is a super-2 number, since 2×2256351436516² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2256351436516.

It is not an unprimeable number, because it can be changed into a prime (2256351436517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4043605 + ... + 4567651.

Almost surely, 2^{2256351436516} is an apocalyptic number.

It is an amenable number.

2256351436516 is a deficient number, since it is larger than the sum of its proper divisors (1936409878044).

2256351436516 is a wasteful number, since it uses less digits than its factorization.

2256351436516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524564 (or 524562 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 49.

The spelling of 2256351436516 in words is "two trillion, two hundred fifty-six billion, three hundred fifty-one million, four hundred thirty-six thousand, five hundred sixteen".