11312535505 has 8 divisors (see below), whose sum is σ = 14373574632. Its totient is φ = 8517673728.

The previous prime is 11312535497. The next prime is 11312535527. The reversal of 11312535505 is 50553521311.

11312535505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 842334529 + 10470200976 = 29023^2 + 102324^2 .

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 11312535505 - 2³ = 11312535497 is a prime.

It is a Duffinian number.

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, 66544242 + ... + 66544411.

It is an arithmetic number, because the mean of its divisors is an integer number (1796696829).

Almost surely, 2^11312535505 is an apocalyptic number.

It is an amenable number.

11312535505 is a deficient number, since it is larger than the sum of its proper divisors (3061039127).

11312535505 is a wasteful number, since it uses less digits than its factorization.

11312535505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133088675.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 11312535505 in words is "eleven billion, three hundred twelve million, five hundred thirty-five thousand, five hundred five".