2145005512368 has 80 divisors (see below), whose sum is σ = 5585715634176. Its totient is φ = 709267829760.

The previous prime is 2145005512327. The next prime is 2145005512381. The reversal of 2145005512368 is 8632155005412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49240005 + ... + 49283547.

Almost surely, 2^{2145005512368} is an apocalyptic number.

It is an amenable number.

2145005512368 is an abundant number, since it is smaller than the sum of its proper divisors (3440710121808).

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

2145005512368 is a wasteful number, since it uses less digits than its factorization.

2145005512368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51762 (or 51756 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 2145005512368 in words is "two trillion, one hundred forty-five billion, five million, five hundred twelve thousand, three hundred sixty-eight".