78056180011 has 16 divisors (see below), whose sum is σ = 81799812864. Its totient is φ = 74342388384.

The previous prime is 78056180009. The next prime is 78056180053. The reversal of 78056180011 is 11008165087.

It is a cyclic number.

It is not a de Polignac number, because 78056180011 - 2¹ = 78056180009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78056180711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5352616 + ... + 5367178.

It is an arithmetic number, because the mean of its divisors is an integer number (5112488304).

Almost surely, 2^78056180011 is an apocalyptic number.

78056180011 is a deficient number, since it is larger than the sum of its proper divisors (3743632853).

78056180011 is a wasteful number, since it uses less digits than its factorization.

78056180011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15570.

The product of its (nonzero) digits is 13440, while the sum is 37.

It can be divided in two parts, 7805 and 6180011, that added together give a palindrome (6187816).

The spelling of 78056180011 in words is "seventy-eight billion, fifty-six million, one hundred eighty thousand, eleven".