2135778775312 has 40 divisors (see below), whose sum is σ = 5093010929216. Its totient is φ = 844923470976.

The previous prime is 2135778775307. The next prime is 2135778775369.

It is a happy number.

2135778775312 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733439058 + ... + 733441969.

Almost surely, 2^{2135778775312} is an apocalyptic number.

It is an amenable number.

2135778775312 is an abundant number, since it is smaller than the sum of its proper divisors (2957232153904).

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

2135778775312 is a wasteful number, since it uses less digits than its factorization.

2135778775312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466881055 (or 1466881049 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 58.

The spelling of 2135778775312 in words is "two trillion, one hundred thirty-five billion, seven hundred seventy-eight million, seven hundred seventy-five thousand, three hundred twelve".