5651565011 has 4 divisors (see below), whose sum is σ = 5671677624. Its totient is φ = 5631452400.

The previous prime is 5651565001. The next prime is 5651565053. The reversal of 5651565011 is 1105651565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1105651565 = 5 ⋅221130313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5651565011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5651565001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055885 + ... + 10056446.

It is an arithmetic number, because the mean of its divisors is an integer number (1417919406).

Almost surely, 2^5651565011 is an apocalyptic number.

5651565011 is a deficient number, since it is larger than the sum of its proper divisors (20112613).

5651565011 is a wasteful number, since it uses less digits than its factorization.

5651565011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112612.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 5651565011 is about 75176.8914693871. The cubic root of 5651565011 is about 1781.2419278657.

The spelling of 5651565011 in words is "five billion, six hundred fifty-one million, five hundred sixty-five thousand, eleven".