5611066720 has 48 divisors (see below), whose sum is σ = 15149883168. Its totient is φ = 1923793920.

The previous prime is 5611066709. The next prime is 5611066723. The reversal of 5611066720 is 276601165.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611066723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2503821 + ... + 2506060.

It is an arithmetic number, because the mean of its divisors is an integer number (315622566).

Almost surely, 2^5611066720 is an apocalyptic number.

It is an amenable number.

5611066720 is an abundant number, since it is smaller than the sum of its proper divisors (9538816448).

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

5611066720 is a wasteful number, since it uses less digits than its factorization.

5611066720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009903 (or 5009895 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5611066720 is about 74907.0538734504. The cubic root of 5611066720 is about 1776.9770176799.

Adding to 5611066720 its reverse (276601165), we get a palindrome (5887667885).

The spelling of 5611066720 in words is "five billion, six hundred eleven million, sixty-six thousand, seven hundred twenty".