5641425561 has 8 divisors (see below), whose sum is σ = 7522411680. Its totient is φ = 3760694912.

The previous prime is 5641425551. The next prime is 5641425583. The reversal of 5641425561 is 1655241465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5641425561 - 2⁵ = 5641425529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5641425511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4440 + ... + 106313.

It is an arithmetic number, because the mean of its divisors is an integer number (940301460).

Almost surely, 2^5641425561 is an apocalyptic number.

It is an amenable number.

5641425561 is a deficient number, since it is larger than the sum of its proper divisors (1880986119).

5641425561 is a wasteful number, since it uses less digits than its factorization.

5641425561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127735.

The product of its digits is 144000, while the sum is 39.

The square root of 5641425561 is about 75109.4239160440. The cubic root of 5641425561 is about 1780.1760505289.

The spelling of 5641425561 in words is "five billion, six hundred forty-one million, four hundred twenty-five thousand, five hundred sixty-one".