78181114333101 has 32 divisors (see below), whose sum is σ = 114882146598912. Its totient is φ = 46987926068160.

The previous prime is 78181114333099. The next prime is 78181114333111. The reversal of 78181114333101 is 10133341118187.

It is a happy number.

It is not a de Polignac number, because 78181114333101 - 2¹ = 78181114333099 is a prime.

It is a super-2 number, since 2×78181114333101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78181114333111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14650756 + ... + 19261538.

It is an arithmetic number, because the mean of its divisors is an integer number (3590067081216).

Almost surely, 2^{78181114333101} is an apocalyptic number.

It is an amenable number.

78181114333101 is a deficient number, since it is larger than the sum of its proper divisors (36701032265811).

78181114333101 is a wasteful number, since it uses less digits than its factorization.

78181114333101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620953.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 78181114333101 in words is "seventy-eight trillion, one hundred eighty-one billion, one hundred fourteen million, three hundred thirty-three thousand, one hundred one".