61112288 has 48 divisors (see below), whose sum is σ = 128532096. Its totient is φ = 28533120.

The previous prime is 61112243. The next prime is 61112291. The reversal of 61112288 is 88221116.

It is a self number, because there is not a number n which added to its sum of digits gives 61112288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30683 + ... + 32613.

It is an arithmetic number, because the mean of its divisors is an integer number (2677752).

Almost surely, 2^61112288 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 61112288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64266048).

61112288 is an abundant number, since it is smaller than the sum of its proper divisors (67419808).

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

61112288 is a wasteful number, since it uses less digits than its factorization.

61112288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007 (or 1999 counting only the distinct ones).

The product of its digits is 1536, while the sum is 29.

The square root of 61112288 is about 7817.4348734096. The cubic root of 61112288 is about 393.8911119989.

The spelling of 61112288 in words is "sixty-one million, one hundred twelve thousand, two hundred eighty-eight".