5561161092 has 36 divisors (see below), whose sum is σ = 14068929420. Its totient is φ = 1852197312.

The previous prime is 5561161049. The next prime is 5561161141. The reversal of 5561161092 is 2901611655.

5561161092 is a `hidden beast` number, since 5 + 561 + 1 + 6 + 1 + 0 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4857532416 + 703628676 = 69696^2 + 26526^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18603 + ... + 107090.

It is an arithmetic number, because the mean of its divisors is an integer number (390803595).

Almost surely, 2^5561161092 is an apocalyptic number.

It is an amenable number.

5561161092 is an abundant number, since it is smaller than the sum of its proper divisors (8507768328).

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

5561161092 is a wasteful number, since it uses less digits than its factorization.

5561161092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126932 (or 126927 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 5561161092 is about 74573.1928510507. The cubic root of 5561161092 is about 1771.6930922049.

The spelling of 5561161092 in words is "five billion, five hundred sixty-one million, one hundred sixty-one thousand, ninety-two".