11556232276 has 6 divisors (see below), whose sum is σ = 20223406490. Its totient is φ = 5778116136.

The previous prime is 11556232271. The next prime is 11556232277. The reversal of 11556232276 is 67223265511.

It can be written as a sum of positive squares in only one way, i.e., 11379342276 + 176890000 = 106674^2 + 13300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556232271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444529031 + ... + 1444529038.

Almost surely, 2^11556232276 is an apocalyptic number.

It is an amenable number.

11556232276 is a deficient number, since it is larger than the sum of its proper divisors (8667174214).

11556232276 is a wasteful number, since it uses less digits than its factorization.

11556232276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889058073 (or 2889058071 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

Adding to 11556232276 its reverse (67223265511), we get a palindrome (78779497787).

The spelling of 11556232276 in words is "eleven billion, five hundred fifty-six million, two hundred thirty-two thousand, two hundred seventy-six".