1283223495811 has 16 divisors (see below), whose sum is σ = 1339868716128. Its totient is φ = 1227745209600.

The previous prime is 1283223495803. The next prime is 1283223495817. The reversal of 1283223495811 is 1185943223821.

It is a cyclic number.

It is not a de Polignac number, because 1283223495811 - 2³ = 1283223495803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283223495817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8576916 + ... + 8725246.

It is an arithmetic number, because the mean of its divisors is an integer number (83741794758).

Almost surely, 2^{1283223495811} is an apocalyptic number.

1283223495811 is a deficient number, since it is larger than the sum of its proper divisors (56645220317).

1283223495811 is a wasteful number, since it uses less digits than its factorization.

1283223495811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152262.

The product of its digits is 829440, while the sum is 49.

The spelling of 1283223495811 in words is "one trillion, two hundred eighty-three billion, two hundred twenty-three million, four hundred ninety-five thousand, eight hundred eleven".