11590643519 has 16 divisors (see below), whose sum is σ = 14272534080. Its totient is φ = 9166037760.

The previous prime is 11590643509. The next prime is 11590643551. The reversal of 11590643519 is 91534609511.

It is a cyclic number.

It is not a de Polignac number, because 11590643519 - 2²⁴ = 11573866303 is a prime.

It is a super-2 number, since 2×11590643519² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11590643519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11590643509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157499 + ... + 219059.

It is an arithmetic number, because the mean of its divisors is an integer number (892033380).

Almost surely, 2^11590643519 is an apocalyptic number.

11590643519 is a deficient number, since it is larger than the sum of its proper divisors (2681890561).

11590643519 is a wasteful number, since it uses less digits than its factorization.

11590643519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63650.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 11590643519 in words is "eleven billion, five hundred ninety million, six hundred forty-three thousand, five hundred nineteen".