11772233693 has 16 divisors (see below), whose sum is σ = 13649625600. Its totient is φ = 10040312880.

The previous prime is 11772233689. The next prime is 11772233699. The reversal of 11772233693 is 39633227711.

It is not a de Polignac number, because 11772233693 - 2² = 11772233689 is a prime.

It is a super-2 number, since 2×11772233693² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772233699) 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, 251903 + ... + 294956.

It is an arithmetic number, because the mean of its divisors is an integer number (853101600).

Almost surely, 2^11772233693 is an apocalyptic number.

It is an amenable number.

11772233693 is a deficient number, since it is larger than the sum of its proper divisors (1877391907).

11772233693 is a wasteful number, since it uses less digits than its factorization.

11772233693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546992.

The product of its digits is 285768, while the sum is 44.

The spelling of 11772233693 in words is "eleven billion, seven hundred seventy-two million, two hundred thirty-three thousand, six hundred ninety-three".