11672720567 has 8 divisors (see below), whose sum is σ = 11700449040. Its totient is φ = 11645026560.

The previous prime is 11672720533. The next prime is 11672720663. The reversal of 11672720567 is 76502727611.

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 11672720567 - 2¹⁰ = 11672719543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11672720467) 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 7 ways as a sum of consecutive naturals, for example, 745673 + ... + 761165.

It is an arithmetic number, because the mean of its divisors is an integer number (1462556130).

Almost surely, 2^11672720567 is an apocalyptic number.

11672720567 is a deficient number, since it is larger than the sum of its proper divisors (27728473).

11672720567 is an equidigital number, since it uses as much as digits as its factorization.

11672720567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 11672720567 in words is "eleven billion, six hundred seventy-two million, seven hundred twenty thousand, five hundred sixty-seven".