1166065601105 has 32 divisors (see below), whose sum is σ = 1422888647040. Its totient is φ = 917196065280.

The previous prime is 1166065601089. The next prime is 1166065601119. The reversal of 1166065601105 is 5011065606611.

It is not a de Polignac number, because 1166065601105 - 2⁴ = 1166065601089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336914075 + ... + 336917535.

It is an arithmetic number, because the mean of its divisors is an integer number (44465270220).

Almost surely, 2^{1166065601105} is an apocalyptic number.

It is an amenable number.

1166065601105 is a deficient number, since it is larger than the sum of its proper divisors (256823045935).

1166065601105 is a wasteful number, since it uses less digits than its factorization.

1166065601105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 1166065601105 in words is "one trillion, one hundred sixty-six billion, sixty-five million, six hundred one thousand, one hundred five".