1167226911 has 24 divisors (see below), whose sum is σ = 1742274560. Its totient is φ = 752230800.

The previous prime is 1167226877. The next prime is 1167226927. The reversal of 1167226911 is 1196227611.

It is not a de Polignac number, because 1167226911 - 2⁶ = 1167226847 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 (1167222911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355206 + ... + 358476.

Almost surely, 2^1167226911 is an apocalyptic number.

1167226911 is a deficient number, since it is larger than the sum of its proper divisors (575047649).

1167226911 is a wasteful number, since it uses less digits than its factorization.

1167226911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587 (or 4584 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 1167226911 is about 34164.7027061557. The cubic root of 1167226911 is about 1052.8950823895.

It can be divided in two parts, 11672 and 26911, that added together give a palindrome (38583).

The spelling of 1167226911 in words is "one billion, one hundred sixty-seven million, two hundred twenty-six thousand, nine hundred eleven".