78110011144 has 16 divisors (see below), whose sum is σ = 159770477520. Its totient is φ = 35504550480.

The previous prime is 78110011127. The next prime is 78110011151. The reversal of 78110011144 is 44111001187.

It is a super-2 number, since 2×78110011144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443806794 + ... + 443806969.

It is an arithmetic number, because the mean of its divisors is an integer number (9985654845).

Almost surely, 2^78110011144 is an apocalyptic number.

It is an amenable number.

78110011144 is an abundant number, since it is smaller than the sum of its proper divisors (81660466376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78110011144 is a wasteful number, since it uses less digits than its factorization.

78110011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887613780 (or 887613776 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 78110011144 in words is "seventy-eight billion, one hundred ten million, eleven thousand, one hundred forty-four".