1200440966311 has 4 divisors (see below), whose sum is σ = 1203575277312. Its totient is φ = 1197306655312.

The previous prime is 1200440966297. The next prime is 1200440966321. The reversal of 1200440966311 is 1136690440021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200440966311 - 2²⁷ = 1200306748583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200440966321) 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, 1567154926 + ... + 1567155691.

It is an arithmetic number, because the mean of its divisors is an integer number (300893819328).

Almost surely, 2^{1200440966311} is an apocalyptic number.

1200440966311 is a deficient number, since it is larger than the sum of its proper divisors (3134311001).

1200440966311 is an equidigital number, since it uses as much as digits as its factorization.

1200440966311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134311000.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 1200440966311 in words is "one trillion, two hundred billion, four hundred forty million, nine hundred sixty-six thousand, three hundred eleven".