611441142 has 64 divisors (see below), whose sum is σ = 1424231424. Its totient is φ = 173283840.

The previous prime is 611441113. The next prime is 611441143. The reversal of 611441142 is 241144116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611441143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57417 + ... + 67227.

It is an arithmetic number, because the mean of its divisors is an integer number (22253616).

Almost surely, 2^611441142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611441142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712115712).

611441142 is an abundant number, since it is smaller than the sum of its proper divisors (812790282).

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

611441142 is a wasteful number, since it uses less digits than its factorization.

611441142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893.

The product of its digits is 768, while the sum is 24.

The square root of 611441142 is about 24727.3359260556. The cubic root of 611441142 is about 848.7599643836.

Adding to 611441142 its reverse (241144116), we get a palindrome (852585258).

It can be divided in two parts, 61144114 and 2, that added together give a palindrome (61144116).

The spelling of 611441142 in words is "six hundred eleven million, four hundred forty-one thousand, one hundred forty-two".