11940552067 has 4 divisors (see below), whose sum is σ = 11943221256. Its totient is φ = 11937882880.

The previous prime is 11940552061. The next prime is 11940552079. The reversal of 11940552067 is 76025504911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11940552067 - 2³¹ = 9793068419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11940552061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327873 + ... + 1336834.

It is an arithmetic number, because the mean of its divisors is an integer number (2985805314).

Almost surely, 2^11940552067 is an apocalyptic number.

11940552067 is a deficient number, since it is larger than the sum of its proper divisors (2669189).

11940552067 is an equidigital number, since it uses as much as digits as its factorization.

11940552067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669188.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 11940552067 in words is "eleven billion, nine hundred forty million, five hundred fifty-two thousand, sixty-seven".