11838937007 has 4 divisors (see below), whose sum is σ = 11865304800. Its totient is φ = 11812569216.

The previous prime is 11838936979. The next prime is 11838937013. The reversal of 11838937007 is 70073983811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70073983811 = 13 ⋅5390306447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11838937007 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 (11838937057) 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, 13183223 + ... + 13184120.

It is an arithmetic number, because the mean of its divisors is an integer number (2966326200).

Almost surely, 2^11838937007 is an apocalyptic number.

11838937007 is a deficient number, since it is larger than the sum of its proper divisors (26367793).

11838937007 is an equidigital number, since it uses as much as digits as its factorization.

11838937007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26367792.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 11838937007 in words is "eleven billion, eight hundred thirty-eight million, nine hundred thirty-seven thousand, seven".