11510223613 has 4 divisors (see below), whose sum is σ = 13154541280. Its totient is φ = 9865905948.

The previous prime is 11510223611. The next prime is 11510223623. The reversal of 11510223613 is 31632201511.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31632201511 = 509 ⋅62145779.

It is a cyclic number.

It is not a de Polignac number, because 11510223613 - 2¹ = 11510223611 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 (11510223611) 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, 822158823 + ... + 822158836.

It is an arithmetic number, because the mean of its divisors is an integer number (3288635320).

Almost surely, 2^11510223613 is an apocalyptic number.

It is an amenable number.

11510223613 is a deficient number, since it is larger than the sum of its proper divisors (1644317667).

11510223613 is an equidigital number, since it uses as much as digits as its factorization.

11510223613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644317666.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 11510223613 in words is "eleven billion, five hundred ten million, two hundred twenty-three thousand, six hundred thirteen".