5561106388 has 6 divisors (see below), whose sum is σ = 9731936186. Its totient is φ = 2780553192.

The previous prime is 5561106377. The next prime is 5561106407. The reversal of 5561106388 is 8836011655.

It can be written as a sum of positive squares in only one way, i.e., 4405242384 + 1155864004 = 66372^2 + 33998^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695138295 + ... + 695138302.

Almost surely, 2^5561106388 is an apocalyptic number.

It is an amenable number.

5561106388 is a deficient number, since it is larger than the sum of its proper divisors (4170829798).

5561106388 is a wasteful number, since it uses less digits than its factorization.

5561106388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390276601 (or 1390276599 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 5561106388 is about 74572.8260695543. The cubic root of 5561106388 is about 1771.6872829255.

The spelling of 5561106388 in words is "five billion, five hundred sixty-one million, one hundred six thousand, three hundred eighty-eight".