1264334516111 has 4 divisors (see below), whose sum is σ = 1278540522000. Its totient is φ = 1250128510224.

The previous prime is 1264334515993. The next prime is 1264334516131. The reversal of 1264334516111 is 1116154334621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264334516111 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 (1264334516131) 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, 7103002811 + ... + 7103002988.

It is an arithmetic number, because the mean of its divisors is an integer number (319635130500).

Almost surely, 2^{1264334516111} is an apocalyptic number.

1264334516111 is a deficient number, since it is larger than the sum of its proper divisors (14206005889).

1264334516111 is an equidigital number, since it uses as much as digits as its factorization.

1264334516111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206005888.

The product of its digits is 51840, while the sum is 38.

The spelling of 1264334516111 in words is "one trillion, two hundred sixty-four billion, three hundred thirty-four million, five hundred sixteen thousand, one hundred eleven".