11910394427 has 8 divisors (see below), whose sum is σ = 12089983296. Its totient is φ = 11730859272.

The previous prime is 11910394423. The next prime is 11910394439. The reversal of 11910394427 is 72449301911.

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

It is a cyclic number.

It is not a de Polignac number, because 11910394427 - 2² = 11910394423 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803828 + ... + 818510.

It is an arithmetic number, because the mean of its divisors is an integer number (1511247912).

Almost surely, 2^11910394427 is an apocalyptic number.

11910394427 is a deficient number, since it is larger than the sum of its proper divisors (179588869).

11910394427 is a wasteful number, since it uses less digits than its factorization.

11910394427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26857.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 11910394427 in words is "eleven billion, nine hundred ten million, three hundred ninety-four thousand, four hundred twenty-seven".