1264627223211 has 8 divisors (see below), whose sum is σ = 1839457779264. Its totient is φ = 766440741320.

The previous prime is 1264627223161. The next prime is 1264627223219. The reversal of 1264627223211 is 1123227264621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264627223211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264627223211.

It is not an unprimeable number, because it can be changed into a prime (1264627223219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19161018501 + ... + 19161018566.

It is an arithmetic number, because the mean of its divisors is an integer number (229932222408).

Almost surely, 2^{1264627223211} is an apocalyptic number.

1264627223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1264627223211 is a deficient number, since it is larger than the sum of its proper divisors (574830556053).

1264627223211 is a wasteful number, since it uses less digits than its factorization.

1264627223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38322037081.

The product of its digits is 96768, while the sum is 39.

The spelling of 1264627223211 in words is "one trillion, two hundred sixty-four billion, six hundred twenty-seven million, two hundred twenty-three thousand, two hundred eleven".