5611655601 has 6 divisors (see below), whose sum is σ = 8105724770. Its totient is φ = 3741103728.

The previous prime is 5611655593. The next prime is 5611655627. The reversal of 5611655601 is 1065561165.

It can be written as a sum of positive squares in only one way, i.e., 4000436001 + 1611219600 = 63249^2 + 40140^2 .

It is not a de Polignac number, because 5611655601 - 2³ = 5611655593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5611655641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311758636 + ... + 311758653.

Almost surely, 2^5611655601 is an apocalyptic number.

It is an amenable number.

5611655601 is a deficient number, since it is larger than the sum of its proper divisors (2494069169).

5611655601 is a wasteful number, since it uses less digits than its factorization.

5611655601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623517295 (or 623517292 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 5611655601 is about 74910.9845149561. The cubic root of 5611655601 is about 1777.0391800369.

The spelling of 5611655601 in words is "five billion, six hundred eleven million, six hundred fifty-five thousand, six hundred one".