5601011511 has 4 divisors (see below), whose sum is σ = 7468015352. Its totient is φ = 3734007672.

The previous prime is 5601011461. The next prime is 5601011519. The reversal of 5601011511 is 1151101065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5601011511 - 2¹⁰ = 5601010487 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 (5601011519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933501916 + ... + 933501921.

It is an arithmetic number, because the mean of its divisors is an integer number (1867003838).

Almost surely, 2^5601011511 is an apocalyptic number.

5601011511 is a deficient number, since it is larger than the sum of its proper divisors (1867003841).

5601011511 is a wasteful number, since it uses less digits than its factorization.

5601011511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867003840.

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 5601011511 is about 74839.9058724689. The cubic root of 5601011511 is about 1775.9149166513.

Adding to 5601011511 its reverse (1151101065), we get a palindrome (6752112576).

The spelling of 5601011511 in words is "five billion, six hundred one million, eleven thousand, five hundred eleven".