611220143894 has 8 divisors (see below), whose sum is σ = 948445050960. Its totient is φ = 295071793576.

The previous prime is 611220143881. The next prime is 611220143927. The reversal of 611220143894 is 498341022116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 5269139114 + ... + 5269139229.

It is an arithmetic number, because the mean of its divisors is an integer number (118555631370).

Almost surely, 2^611220143894 is an apocalyptic number.

611220143894 is a deficient number, since it is larger than the sum of its proper divisors (337224907066).

611220143894 is a wasteful number, since it uses less digits than its factorization.

611220143894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538278374.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 611220143894 in words is "six hundred eleven billion, two hundred twenty million, one hundred forty-three thousand, eight hundred ninety-four".