11513590493 has 16 divisors (see below), whose sum is σ = 13390427520. Its totient is φ = 9819634176.

The previous prime is 11513590481. The next prime is 11513590513. The reversal of 11513590493 is 39409531511.

It is a cyclic number.

It is not a de Polignac number, because 11513590493 - 2¹⁴ = 11513574109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11513590493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513590993) 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 15 ways as a sum of consecutive naturals, for example, 767480 + ... + 782337.

It is an arithmetic number, because the mean of its divisors is an integer number (836901720).

Almost surely, 2^11513590493 is an apocalyptic number.

It is an amenable number.

11513590493 is a deficient number, since it is larger than the sum of its proper divisors (1876837027).

11513590493 is a wasteful number, since it uses less digits than its factorization.

11513590493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549876.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 11513590493 in words is "eleven billion, five hundred thirteen million, five hundred ninety thousand, four hundred ninety-three".