2811042778230 has 80 divisors (see below), whose sum is σ = 7569747987120. Its totient is φ = 748504006848.

The previous prime is 2811042778223. The next prime is 2811042778261. The reversal of 2811042778230 is 328772401182.

2811042778230 is a `hidden beast` number, since 2 + 8 + 110 + 427 + 7 + 82 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2014720 + ... + 3111459.

It is an arithmetic number, because the mean of its divisors is an integer number (94621849839).

Almost surely, 2^{2811042778230} is an apocalyptic number.

2811042778230 is an abundant number, since it is smaller than the sum of its proper divisors (4758705208890).

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

2811042778230 is a wasteful number, since it uses less digits than its factorization.

2811042778230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126875 (or 5126866 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 2811042778230 in words is "two trillion, eight hundred eleven billion, forty-two million, seven hundred seventy-eight thousand, two hundred thirty".