11813006907529 has 4 divisors (see below), whose sum is σ = 11813018483860. Its totient is φ = 11812995331200.

The previous prime is 11813006907469. The next prime is 11813006907601. The reversal of 11813006907529 is 92570960031811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5693186881600 + 6119820025929 = 2386040^2 + 2473827^2 .

It is a cyclic number.

It is not a de Polignac number, because 11813006907529 - 2²⁹ = 11812470036617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11813006907629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4091772 + ... + 6353629.

It is an arithmetic number, because the mean of its divisors is an integer number (2953254620965).

Almost surely, 2^{11813006907529} is an apocalyptic number.

It is an amenable number.

11813006907529 is a deficient number, since it is larger than the sum of its proper divisors (11576331).

11813006907529 is a wasteful number, since it uses less digits than its factorization.

11813006907529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576330.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 11813006907529 in words is "eleven trillion, eight hundred thirteen billion, six million, nine hundred seven thousand, five hundred twenty-nine".