11556232274 has 8 divisors (see below), whose sum is σ = 17802844428. Its totient is φ = 5621950800.

The previous prime is 11556232271. The next prime is 11556232277. The reversal of 11556232274 is 47223265511.

It is an interprime number because it is at equal distance from previous prime (11556232271) and next prime (11556232277).

It can be written as a sum of positive squares in 2 ways, for example, as 11429106649 + 127125625 = 106907^2 + 11275^2 .

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

It is a super-2 number, since 2×11556232274² (a number of 21 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 78082577 + ... + 78082724.

Almost surely, 2^11556232274 is an apocalyptic number.

11556232274 is a deficient number, since it is larger than the sum of its proper divisors (6246612154).

11556232274 is a wasteful number, since it uses less digits than its factorization.

11556232274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156165340.

The product of its digits is 100800, while the sum is 38.

Adding to 11556232274 its reverse (47223265511), we get a palindrome (58779497785).

The spelling of 11556232274 in words is "eleven billion, five hundred fifty-six million, two hundred thirty-two thousand, two hundred seventy-four".