611143872 has 56 divisors (see below), whose sum is σ = 1643524272. Its totient is φ = 200371200.

The previous prime is 611143853. The next prime is 611143891. The reversal of 611143872 is 278341116.

It is an interprime number because it is at equal distance from previous prime (611143853) and next prime (611143891).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14379 + ... + 37802.

Almost surely, 2^611143872 is an apocalyptic number.

It is an amenable number.

611143872 is an abundant number, since it is smaller than the sum of its proper divisors (1032380400).

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

611143872 is a wasteful number, since it uses less digits than its factorization.

611143872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52257 (or 52247 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 611143872 is about 24721.3242363754. The cubic root of 611143872 is about 848.6223922568.

Adding to 611143872 its reverse (278341116), we get a palindrome (889484988).

The spelling of 611143872 in words is "six hundred eleven million, one hundred forty-three thousand, eight hundred seventy-two".