11720032267 has 8 divisors (see below), whose sum is σ = 12268495872. Its totient is φ = 11182218600.

The previous prime is 11720032253. The next prime is 11720032277. The reversal of 11720032267 is 76223002711.

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

It is a cyclic number.

It is not a de Polignac number, because 11720032267 - 2⁷ = 11720032139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11720032277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2660233 + ... + 2664634.

It is an arithmetic number, because the mean of its divisors is an integer number (1533561984).

Almost surely, 2^11720032267 is an apocalyptic number.

11720032267 is a deficient number, since it is larger than the sum of its proper divisors (548463605).

11720032267 is an equidigital number, since it uses as much as digits as its factorization.

11720032267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324969.

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 11720032267 its reverse (76223002711), we get a palindrome (87943034978).

The spelling of 11720032267 in words is "eleven billion, seven hundred twenty million, thirty-two thousand, two hundred sixty-seven".