2115000555066 has 72 divisors (see below), whose sum is σ = 5331259661364. Its totient is φ = 604218424320.

The previous prime is 2115000555049. The next prime is 2115000555089. The reversal of 2115000555066 is 6605550005112.

It can be written as a sum of positive squares in 2 ways, for example, as 2083504599225 + 31495955841 = 1443435^2 + 177471^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2115000555066.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8056656 + ... + 8315028.

Almost surely, 2^{2115000555066} is an apocalyptic number.

2115000555066 is an abundant number, since it is smaller than the sum of its proper divisors (3216259106298).

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

2115000555066 is a wasteful number, since it uses less digits than its factorization.

2115000555066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267676 (or 267666 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 2115000555066 in words is "two trillion, one hundred fifteen billion, five hundred fifty-five thousand, sixty-six".