611222273808 has 20 divisors (see below), whose sum is σ = 1578990874128. Its totient is φ = 203740757920.

The previous prime is 611222273803. The next prime is 611222273813. The reversal of 611222273808 is 808372222116.

It is an interprime number because it is at equal distance from previous prime (611222273803) and next prime (611222273813).

It is a self number, because there is not a number n which added to its sum of digits gives 611222273808.

It is not an unprimeable number, because it can be changed into a prime (611222273801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6366898638 + ... + 6366898733.

Almost surely, 2^611222273808 is an apocalyptic number.

It is an amenable number.

611222273808 is an abundant number, since it is smaller than the sum of its proper divisors (967768600320).

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

611222273808 is a wasteful number, since it uses less digits than its factorization.

611222273808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12733797382 (or 12733797376 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 611222273808 in words is "six hundred eleven billion, two hundred twenty-two million, two hundred seventy-three thousand, eight hundred eight".