11513002073 has 4 divisors (see below), whose sum is σ = 11513523840. Its totient is φ = 11512480308.

The previous prime is 11513002069. The next prime is 11513002087. The reversal of 11513002073 is 37020031511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11513002073 - 2² = 11513002069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11513002273) 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, 226253 + ... + 272426.

It is an arithmetic number, because the mean of its divisors is an integer number (2878380960).

Almost surely, 2^11513002073 is an apocalyptic number.

It is an amenable number.

11513002073 is a deficient number, since it is larger than the sum of its proper divisors (521767).

11513002073 is an equidigital number, since it uses as much as digits as its factorization.

11513002073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521766.

The product of its (nonzero) digits is 630, while the sum is 23.

Adding to 11513002073 its reverse (37020031511), we get a palindrome (48533033584).

The spelling of 11513002073 in words is "eleven billion, five hundred thirteen million, two thousand, seventy-three".