11501207135 has 16 divisors (see below), whose sum is σ = 15058416672. Its totient is φ = 8363241600.

The previous prime is 11501207099. The next prime is 11501207141. The reversal of 11501207135 is 53170210511.

It is not a de Polignac number, because 11501207135 - 2¹² = 11501203039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498965 + ... + 521505.

It is an arithmetic number, because the mean of its divisors is an integer number (941151042).

Almost surely, 2^11501207135 is an apocalyptic number.

11501207135 is a deficient number, since it is larger than the sum of its proper divisors (3557209537).

11501207135 is a wasteful number, since it uses less digits than its factorization.

11501207135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31834.

The product of its (nonzero) digits is 1050, while the sum is 26.

Adding to 11501207135 its reverse (53170210511), we get a palindrome (64671417646).

The spelling of 11501207135 in words is "eleven billion, five hundred one million, two hundred seven thousand, one hundred thirty-five".