78040368111 has 8 divisors (see below), whose sum is σ = 104332790320. Its totient is φ = 51887428992.

The previous prime is 78040368103. The next prime is 78040368139. The reversal of 78040368111 is 11186304087.

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

It is not a de Polignac number, because 78040368111 - 2³ = 78040368103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78040368111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78040368311) 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 7 ways as a sum of consecutive naturals, for example, 34869466 + ... + 34871703.

It is an arithmetic number, because the mean of its divisors is an integer number (13041598790).

Almost surely, 2^78040368111 is an apocalyptic number.

78040368111 is a deficient number, since it is larger than the sum of its proper divisors (26292422209).

78040368111 is a wasteful number, since it uses less digits than its factorization.

78040368111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69741545.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 78040368111 in words is "seventy-eight billion, forty million, three hundred sixty-eight thousand, one hundred eleven".