72180879617011 has 8 divisors (see below), whose sum is σ = 78871232547504. Its totient is φ = 65511935817120.

The previous prime is 72180879616973. The next prime is 72180879617071. The reversal of 72180879617011 is 11071697808127.

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 72180879617011 - 2⁷ = 72180879616883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72180879617071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5352275596 + ... + 5352289081.

It is an arithmetic number, because the mean of its divisors is an integer number (9858904068438).

Almost surely, 2^{72180879617011} is an apocalyptic number.

72180879617011 is a deficient number, since it is larger than the sum of its proper divisors (6690352930493).

72180879617011 is a wasteful number, since it uses less digits than its factorization.

72180879617011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10704565301.

The product of its (nonzero) digits is 2370816, while the sum is 58.

The spelling of 72180879617011 in words is "seventy-two trillion, one hundred eighty billion, eight hundred seventy-nine million, six hundred seventeen thousand, eleven".