11910394426 has 32 divisors (see below), whose sum is σ = 20943820800. Its totient is φ = 5077674000.

The previous prime is 11910394423. The next prime is 11910394439. The reversal of 11910394426 is 62449301911.

11910394426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11910394423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85576 + ... + 176476.

It is an arithmetic number, because the mean of its divisors is an integer number (654494400).

Almost surely, 2^11910394426 is an apocalyptic number.

11910394426 is a deficient number, since it is larger than the sum of its proper divisors (9033426374).

11910394426 is an equidigital number, since it uses as much as digits as its factorization.

11910394426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91115 (or 91101 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 11910394426 in words is "eleven billion, nine hundred ten million, three hundred ninety-four thousand, four hundred twenty-six".