78181114333103 has 4 divisors (see below), whose sum is σ = 78186029236440. Its totient is φ = 78176199429768.

The previous prime is 78181114333099. The next prime is 78181114333111. The reversal of 78181114333103 is 30133341118187.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78181114333103 - 2² = 78181114333099 is a prime.

It is a super-2 number, since 2×78181114333103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78181114333183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457427808 + ... + 2457459621.

It is an arithmetic number, because the mean of its divisors is an integer number (19546507309110).

Almost surely, 2^{78181114333103} is an apocalyptic number.

78181114333103 is a deficient number, since it is larger than the sum of its proper divisors (4914903337).

78181114333103 is a wasteful number, since it uses less digits than its factorization.

78181114333103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914903336.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 78181114333103 in words is "seventy-eight trillion, one hundred eighty-one billion, one hundred fourteen million, three hundred thirty-three thousand, one hundred three".