78180811145030 has 16 divisors (see below), whose sum is σ = 153518683703184. Its totient is φ = 28429385870880.

The previous prime is 78180811144861. The next prime is 78180811145033. The reversal of 78180811145030 is 3054111808187.

It is a super-2 number, since 2×78180811145030² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78180811145033) 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, 355367323277 + ... + 355367323496.

It is an arithmetic number, because the mean of its divisors is an integer number (9594917731449).

Almost surely, 2^{78180811145030} is an apocalyptic number.

78180811145030 is a deficient number, since it is larger than the sum of its proper divisors (75337872558154).

78180811145030 is a wasteful number, since it uses less digits than its factorization.

78180811145030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710734646791.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 78180811145030 in words is "seventy-eight trillion, one hundred eighty billion, eight hundred eleven million, one hundred forty-five thousand, thirty".