61045110880 has 96 divisors (see below), whose sum is σ = 156914531424. Its totient is φ = 22307291136.

The previous prime is 61045110877. The next prime is 61045110961. The reversal of 61045110880 is 8801154016.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50479 + ... + 353041.

It is an arithmetic number, because the mean of its divisors is an integer number (1634526369).

Almost surely, 2^61045110880 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 61045110880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78457265712).

61045110880 is an abundant number, since it is smaller than the sum of its proper divisors (95869420544).

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

61045110880 is a wasteful number, since it uses less digits than its factorization.

61045110880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302688 (or 302680 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

Adding to 61045110880 its reverse (8801154016), we get a palindrome (69846264896).

The spelling of 61045110880 in words is "sixty-one billion, forty-five million, one hundred ten thousand, eight hundred eighty".