11513505201 has 16 divisors (see below), whose sum is σ = 16912732608. Its totient is φ = 6908792000.

The previous prime is 11513505181. The next prime is 11513505253. The reversal of 11513505201 is 10250531511.

It is not a de Polignac number, because 11513505201 - 2¹⁵ = 11513472433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11513505401) 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, 1723866 + ... + 1730531.

It is an arithmetic number, because the mean of its divisors is an integer number (1057045788).

Almost surely, 2^11513505201 is an apocalyptic number.

11513505201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11513505201 is a deficient number, since it is larger than the sum of its proper divisors (5399227407).

11513505201 is a wasteful number, since it uses less digits than its factorization.

11513505201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454512.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 11513505201 in words is "eleven billion, five hundred thirteen million, five hundred five thousand, two hundred one".