11790427905 has 64 divisors (see below), whose sum is σ = 21326561280. Its totient is φ = 6179447232.

The previous prime is 11790427853. The next prime is 11790427937. The reversal of 11790427905 is 50972409711.

11790427905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11790427905 - 2⁶ = 11790427841 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1831302 + ... + 1837728.

It is an arithmetic number, because the mean of its divisors is an integer number (333227520).

Almost surely, 2^11790427905 is an apocalyptic number.

11790427905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11790427905 is a deficient number, since it is larger than the sum of its proper divisors (9536133375).

11790427905 is a wasteful number, since it uses less digits than its factorization.

11790427905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675 (or 6669 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 11790427905 in words is "eleven billion, seven hundred ninety million, four hundred twenty-seven thousand, nine hundred five".