215552255512 has 16 divisors (see below), whose sum is σ = 440902341000. Its totient is φ = 97978297920.

The previous prime is 215552255483. The next prime is 215552255521.

215552255512 is nontrivially palindromic in base 10.

215552255512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1224728637 + ... + 1224728812.

Almost surely, 2^215552255512 is an apocalyptic number.

215552255512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215552255512 is an abundant number, since it is smaller than the sum of its proper divisors (225350085488).

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

215552255512 is a wasteful number, since it uses less digits than its factorization.

215552255512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449457466 (or 2449457462 counting only the distinct ones).

The product of its digits is 250000, while the sum is 40.

The spelling of 215552255512 in words is "two hundred fifteen billion, five hundred fifty-two million, two hundred fifty-five thousand, five hundred twelve".