11324724643 has 4 divisors (see below), whose sum is σ = 11630798320. Its totient is φ = 11018650968.

The previous prime is 11324724637. The next prime is 11324724667. The reversal of 11324724643 is 34642742311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34642742311 = 283 ⋅122412517.

It is a cyclic number.

It is not a de Polignac number, because 11324724643 - 2⁵ = 11324724611 is a prime.

It is a super-3 number, since 3×11324724643³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 306073639 = 11324724643 / (1 + 1 + 3 + 2 + 4 + 7 + 2 + 4 + 6 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11324724623) 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, 153036783 + ... + 153036856.

It is an arithmetic number, because the mean of its divisors is an integer number (2907699580).

Almost surely, 2^11324724643 is an apocalyptic number.

11324724643 is a deficient number, since it is larger than the sum of its proper divisors (306073677).

11324724643 is an equidigital number, since it uses as much as digits as its factorization.

11324724643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306073676.

The product of its digits is 96768, while the sum is 37.

The spelling of 11324724643 in words is "eleven billion, three hundred twenty-four million, seven hundred twenty-four thousand, six hundred forty-three".