11127931905 has 8 divisors (see below), whose sum is σ = 17804691072. Its totient is φ = 5934897008.

The previous prime is 11127931901. The next prime is 11127931909. The reversal of 11127931905 is 50913972111.

It is an interprime number because it is at equal distance from previous prime (11127931901) and next prime (11127931909).

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 11127931905 - 2² = 11127931901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11127931901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370931049 + ... + 370931078.

It is an arithmetic number, because the mean of its divisors is an integer number (2225586384).

Almost surely, 2^11127931905 is an apocalyptic number.

11127931905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11127931905 is a deficient number, since it is larger than the sum of its proper divisors (6676759167).

11127931905 is an equidigital number, since it uses as much as digits as its factorization.

11127931905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741862135.

The product of its (nonzero) digits is 17010, while the sum is 39.

The spelling of 11127931905 in words is "eleven billion, one hundred twenty-seven million, nine hundred thirty-one thousand, nine hundred five".