5661055071 has 24 divisors (see below), whose sum is σ = 9372999584. Its totient is φ = 3225277440.

The previous prime is 5661055069. The next prime is 5661055109. The reversal of 5661055071 is 1705501665.

It is not a de Polignac number, because 5661055071 - 2¹ = 5661055069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661055061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112090 + ... + 154551.

Almost surely, 2^5661055071 is an apocalyptic number.

5661055071 is a deficient number, since it is larger than the sum of its proper divisors (3711944513).

5661055071 is a wasteful number, since it uses less digits than its factorization.

5661055071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266991 (or 266988 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 5661055071 is about 75239.9831937780. The cubic root of 5661055071 is about 1782.2383857683.

The spelling of 5661055071 in words is "five billion, six hundred sixty-one million, fifty-five thousand, seventy-one".