11201256515 has 8 divisors (see below), whose sum is σ = 13442478720. Its totient is φ = 8960357952.

The previous prime is 11201256509. The next prime is 11201256533. The reversal of 11201256515 is 51565210211.

11201256515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201256515 - 2¹⁰ = 11201255491 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 149708.

It is an arithmetic number, because the mean of its divisors is an integer number (1680309840).

Almost surely, 2^11201256515 is an apocalyptic number.

11201256515 is a deficient number, since it is larger than the sum of its proper divisors (2241222205).

11201256515 is a wasteful number, since it uses less digits than its factorization.

11201256515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161821.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 11201256515 its reverse (51565210211), we get a palindrome (62766466726).

The spelling of 11201256515 in words is "eleven billion, two hundred one million, two hundred fifty-six thousand, five hundred fifteen".