5665041551 has 8 divisors (see below), whose sum is σ = 6106040304. Its totient is φ = 5224789440.

The previous prime is 5665041541. The next prime is 5665041589. The reversal of 5665041551 is 1551405665.

It is a happy number.

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

It is not a de Polignac number, because 5665041551 - 2²⁶ = 5597932687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665041521) 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 7 ways as a sum of consecutive naturals, for example, 170846 + ... + 201291.

It is an arithmetic number, because the mean of its divisors is an integer number (763255038).

Almost surely, 2^5665041551 is an apocalyptic number.

5665041551 is a deficient number, since it is larger than the sum of its proper divisors (440998753).

5665041551 is a wasteful number, since it uses less digits than its factorization.

5665041551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373321.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 5665041551 is about 75266.4702972047. The cubic root of 5665041551 is about 1782.6566346937.

The spelling of 5665041551 in words is "five billion, six hundred sixty-five million, forty-one thousand, five hundred fifty-one".