11552333309181 has 144 divisors (see below), whose sum is σ = 20037172666368. Its totient is φ = 6391201320000.

The previous prime is 11552333309147. The next prime is 11552333309219. The reversal of 11552333309181 is 18190333325511.

It is a happy number.

11552333309181 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 2 + 333 + 309 + 1 + 8 + 1 = 666.

It is not a de Polignac number, because 11552333309181 - 2¹⁰ = 11552333308157 is a prime.

It is a super-2 number, since 2×11552333309181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552333309131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5132088306 + ... + 5132090556.

Almost surely, 2^{11552333309181} is an apocalyptic number.

It is an amenable number.

11552333309181 is a deficient number, since it is larger than the sum of its proper divisors (8484839357187).

11552333309181 is a wasteful number, since it uses less digits than its factorization.

11552333309181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 11552333309181 in words is "eleven trillion, five hundred fifty-two billion, three hundred thirty-three million, three hundred nine thousand, one hundred eighty-one".