11911839094 has 36 divisors (see below), whose sum is σ = 18735205068. Its totient is φ = 5679948960.

The previous prime is 11911839091. The next prime is 11911839103. The reversal of 11911839094 is 49093811911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11911839091) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10241757 + ... + 10242919.

It is an arithmetic number, because the mean of its divisors is an integer number (520422363).

Almost surely, 2^11911839094 is an apocalyptic number.

11911839094 is a deficient number, since it is larger than the sum of its proper divisors (6823365974).

11911839094 is an equidigital number, since it uses as much as digits as its factorization.

11911839094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 11911839094 in words is "eleven billion, nine hundred eleven million, eight hundred thirty-nine thousand, ninety-four".