11771204267 has 2 divisors, whose sum is σ = 11771204268. Its totient is φ = 11771204266.

The previous prime is 11771204261. The next prime is 11771204317. The reversal of 11771204267 is 76240217711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11771204267 - 2¹² = 11771200171 is a prime.

It is a super-2 number, since 2×11771204267² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11771204267.

It is not a weakly prime, because it can be changed into another prime (11771204261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885602133 + 5885602134.

It is an arithmetic number, because the mean of its divisors is an integer number (5885602134).

Almost surely, 2^11771204267 is an apocalyptic number.

11771204267 is a deficient number, since it is larger than the sum of its proper divisors (1).

11771204267 is an equidigital number, since it uses as much as digits as its factorization.

11771204267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 11771204267 in words is "eleven billion, seven hundred seventy-one million, two hundred four thousand, two hundred sixty-seven".