2011771200512 has 44 divisors (see below), whose sum is σ = 4021954090956. Its totient is φ = 1005791477760.

The previous prime is 2011771200479. The next prime is 2011771200521. The reversal of 2011771200512 is 2150021771102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1423764422656 + 588006777856 = 1193216^2 + 766816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11580212 + ... + 11752652.

Almost surely, 2^{2011771200512} is an apocalyptic number.

It is an amenable number.

2011771200512 is a deficient number, since it is larger than the sum of its proper divisors (2010182890444).

2011771200512 is a wasteful number, since it uses less digits than its factorization.

2011771200512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183854 (or 183836 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 29.

Adding to 2011771200512 its reverse (2150021771102), we get a palindrome (4161792971614).

The spelling of 2011771200512 in words is "two trillion, eleven billion, seven hundred seventy-one million, two hundred thousand, five hundred twelve".