11384518037 has 4 divisors (see below), whose sum is σ = 11512434060. Its totient is φ = 11256602016.

The previous prime is 11384517941. The next prime is 11384518051. The reversal of 11384518037 is 73081548311.

It is a happy number.

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 2971776196 + 8412741841 = 54514^2 + 91721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11384518037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11384517985 and 11384518003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11384518837) 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, 63957878 + ... + 63958055.

It is an arithmetic number, because the mean of its divisors is an integer number (2878108515).

Almost surely, 2^11384518037 is an apocalyptic number.

It is an amenable number.

11384518037 is a deficient number, since it is larger than the sum of its proper divisors (127916023).

11384518037 is an equidigital number, since it uses as much as digits as its factorization.

11384518037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127916022.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11384518037 in words is "eleven billion, three hundred eighty-four million, five hundred eighteen thousand, thirty-seven".