11529471799 has 4 divisors (see below), whose sum is σ = 11675414560. Its totient is φ = 11383529040.

The previous prime is 11529471787. The next prime is 11529471829. The reversal of 11529471799 is 99717492511.

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

It is a cyclic number.

It is not a de Polignac number, because 11529471799 - 2¹³ = 11529463607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11529478799) 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, 72971262 + ... + 72971419.

It is an arithmetic number, because the mean of its divisors is an integer number (2918853640).

Almost surely, 2^11529471799 is an apocalyptic number.

11529471799 is a deficient number, since it is larger than the sum of its proper divisors (145942761).

11529471799 is an equidigital number, since it uses as much as digits as its factorization.

11529471799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145942760.

The product of its digits is 1428840, while the sum is 55.

The spelling of 11529471799 in words is "eleven billion, five hundred twenty-nine million, four hundred seventy-one thousand, seven hundred ninety-nine".