11304643137 has 4 divisors (see below), whose sum is σ = 15072857520. Its totient is φ = 7536428756.

The previous prime is 11304643099. The next prime is 11304643183. The reversal of 11304643137 is 73134640311.

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: 73134640311 = 3 ⋅24378213437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11304643137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11304643098 and 11304643107.

It is not an unprimeable number, because it can be changed into a prime (11304642137) 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, 1884107187 + ... + 1884107192.

It is an arithmetic number, because the mean of its divisors is an integer number (3768214380).

Almost surely, 2^11304643137 is an apocalyptic number.

It is an amenable number.

11304643137 is a deficient number, since it is larger than the sum of its proper divisors (3768214383).

11304643137 is an equidigital number, since it uses as much as digits as its factorization.

11304643137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768214382.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 11304643137 in words is "eleven billion, three hundred four million, six hundred forty-three thousand, one hundred thirty-seven".