2311143112066 has 8 divisors (see below), whose sum is σ = 3472333332300. Its totient is φ = 1153698667968.

The previous prime is 2311143112049. The next prime is 2311143112067. The reversal of 2311143112066 is 6602113411132.

It can be written as a sum of positive squares in 2 ways, for example, as 1631186198041 + 679956914025 = 1277179^2 + 824595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2311143112067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936442491 + ... + 936444958.

Almost surely, 2^{2311143112066} is an apocalyptic number.

2311143112066 is a deficient number, since it is larger than the sum of its proper divisors (1161190220234).

2311143112066 is a wasteful number, since it uses less digits than its factorization.

2311143112066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872888068.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 2311143112066 its reverse (6602113411132), we get a palindrome (8913256523198).

The spelling of 2311143112066 in words is "two trillion, three hundred eleven billion, one hundred forty-three million, one hundred twelve thousand, sixty-six".