78330100111 has 8 divisors (see below), whose sum is σ = 78427324800. Its totient is φ = 78232926552.

The previous prime is 78330100091. The next prime is 78330100117. The reversal of 78330100111 is 11100103387.

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 78330100111 - 2³³ = 69740165519 is a prime.

It is a super-2 number, since 2×78330100111² (a number of 23 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 (78330100117) 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, 3694206 + ... + 3715348.

It is an arithmetic number, because the mean of its divisors is an integer number (9803415600).

Almost surely, 2^78330100111 is an apocalyptic number.

78330100111 is a deficient number, since it is larger than the sum of its proper divisors (97224689).

78330100111 is a wasteful number, since it uses less digits than its factorization.

78330100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25565.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 78330100111 its reverse (11100103387), we get a palindrome (89430203498).

The spelling of 78330100111 in words is "seventy-eight billion, three hundred thirty million, one hundred thousand, one hundred eleven".