11502808073 has 4 divisors (see below), whose sum is σ = 12179443860. Its totient is φ = 10826172288.

The previous prime is 11502808063. The next prime is 11502808099. The reversal of 11502808073 is 37080820511.

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 8235199504 + 3267608569 = 90748^2 + 57163^2 .

It is not a de Polignac number, because 11502808073 - 2²² = 11498613769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11502808063) 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, 338317868 + ... + 338317901.

It is an arithmetic number, because the mean of its divisors is an integer number (3044860965).

Almost surely, 2^11502808073 is an apocalyptic number.

It is an amenable number.

11502808073 is a deficient number, since it is larger than the sum of its proper divisors (676635787).

11502808073 is an equidigital number, since it uses as much as digits as its factorization.

11502808073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676635786.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 11502808073 in words is "eleven billion, five hundred two million, eight hundred eight thousand, seventy-three".