5665071511 has 8 divisors (see below), whose sum is σ = 6448777344. Its totient is φ = 4926148920.

The previous prime is 5665071509. The next prime is 5665071563. The reversal of 5665071511 is 1151705665.

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

It is not a de Polignac number, because 5665071511 - 2¹ = 5665071509 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 (5665071571) 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, 11195541 + ... + 11196046.

It is an arithmetic number, because the mean of its divisors is an integer number (806097168).

Almost surely, 2^5665071511 is an apocalyptic number.

5665071511 is a deficient number, since it is larger than the sum of its proper divisors (783705833).

5665071511 is a wasteful number, since it uses less digits than its factorization.

5665071511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22391621.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 5665071511 is about 75266.6693231473. The cubic root of 5665071511 is about 1782.6597772595.

The spelling of 5665071511 in words is "five billion, six hundred sixty-five million, seventy-one thousand, five hundred eleven".