11668026705 has 16 divisors (see below), whose sum is σ = 18893770560. Its totient is φ = 6147971648.

The previous prime is 11668026599. The next prime is 11668026793. The reversal of 11668026705 is 50762086611.

It is a cyclic number.

It is not a de Polignac number, because 11668026705 - 2¹⁹ = 11667502417 is a prime.

It is a super-2 number, since 2×11668026705² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4684710 + ... + 4687199.

It is an arithmetic number, because the mean of its divisors is an integer number (1180860660).

Almost surely, 2^11668026705 is an apocalyptic number.

11668026705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11668026705 is a deficient number, since it is larger than the sum of its proper divisors (7225743855).

11668026705 is an equidigital number, since it uses as much as digits as its factorization.

11668026705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372000.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 11668026705 in words is "eleven billion, six hundred sixty-eight million, twenty-six thousand, seven hundred five".