11734973138 has 8 divisors (see below), whose sum is σ = 20117096832. Its totient is φ = 5029274196.

The previous prime is 11734973123. The next prime is 11734973143. The reversal of 11734973138 is 83137943711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11734973092 and 11734973101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419106170 + ... + 419106197.

It is an arithmetic number, because the mean of its divisors is an integer number (2514637104).

Almost surely, 2^11734973138 is an apocalyptic number.

11734973138 is a deficient number, since it is larger than the sum of its proper divisors (8382123694).

11734973138 is an equidigital number, since it uses as much as digits as its factorization.

11734973138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838212376.

The product of its digits is 381024, while the sum is 47.

The spelling of 11734973138 in words is "eleven billion, seven hundred thirty-four million, nine hundred seventy-three thousand, one hundred thirty-eight".