11805132973 has 8 divisors (see below), whose sum is σ = 12392166528. Its totient is φ = 11224246704.

The previous prime is 11805132967. The next prime is 11805133049. The reversal of 11805132973 is 37923150811.

11805132973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11805132973 is a prime.

It is a super-2 number, since 2×11805132973² (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 (11805132943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532886 + ... + 1540567.

It is an arithmetic number, because the mean of its divisors is an integer number (1549020816).

Almost surely, 2^11805132973 is an apocalyptic number.

It is an amenable number.

11805132973 is a deficient number, since it is larger than the sum of its proper divisors (587033555).

11805132973 is a wasteful number, since it uses less digits than its factorization.

11805132973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073643.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 11805132973 in words is "eleven billion, eight hundred five million, one hundred thirty-two thousand, nine hundred seventy-three".