5661111014 has 16 divisors (see below), whose sum is σ = 9176095152. Its totient is φ = 2603899488.

The previous prime is 5661110999. The next prime is 5661111041. The reversal of 5661111014 is 4101111665.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 363944 + ... + 379179.

It is an arithmetic number, because the mean of its divisors is an integer number (573505947).

Almost surely, 2^5661111014 is an apocalyptic number.

5661111014 is a deficient number, since it is larger than the sum of its proper divisors (3514984138).

5661111014 is a wasteful number, since it uses less digits than its factorization.

5661111014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743431.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 5661111014 is about 75240.3549566321. The cubic root of 5661111014 is about 1782.2442564898.

Adding to 5661111014 its reverse (4101111665), we get a palindrome (9762222679).

The spelling of 5661111014 in words is "five billion, six hundred sixty-one million, one hundred eleven thousand, fourteen".