78111010100011 has 12 divisors (see below), whose sum is σ = 90871676030520. Its totient is φ = 66946511667840.

The previous prime is 78111010099981. The next prime is 78111010100027. The reversal of 78111010100011 is 11000101011187.

It is not a de Polignac number, because 78111010100011 - 2⁷ = 78111010099883 is a prime.

It is a super-2 number, since 2×78111010100011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78111013100011) 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 11 ways as a sum of consecutive naturals, for example, 68268550 + ... + 69403291.

It is an arithmetic number, because the mean of its divisors is an integer number (7572639669210).

Almost surely, 2^{78111010100011} is an apocalyptic number.

78111010100011 is a deficient number, since it is larger than the sum of its proper divisors (12760665930509).

78111010100011 is a wasteful number, since it uses less digits than its factorization.

78111010100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137683434 (or 137683427 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 22.

Adding to 78111010100011 its reverse (11000101011187), we get a palindrome (89111111111198).

The spelling of 78111010100011 in words is "seventy-eight trillion, one hundred eleven billion, ten million, one hundred thousand, eleven".