611117232 has 160 divisors (see below), whose sum is σ = 1803098880. Its totient is φ = 176655360.

The previous prime is 611117147. The next prime is 611117239. The reversal of 611117232 is 232711116.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (611117239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1638198 + ... + 1638570.

It is an arithmetic number, because the mean of its divisors is an integer number (11269368).

Almost surely, 2^611117232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611117232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901549440).

611117232 is an abundant number, since it is smaller than the sum of its proper divisors (1191981648).

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

611117232 is a wasteful number, since it uses less digits than its factorization.

611117232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 611117232 is about 24720.7854244156. The cubic root of 611117232 is about 848.6100614838.

Adding to 611117232 its reverse (232711116), we get a palindrome (843828348).

The spelling of 611117232 in words is "six hundred eleven million, one hundred seventeen thousand, two hundred thirty-two".