1166015006001 has 16 divisors (see below), whose sum is σ = 1729092268800. Its totient is φ = 776595153744.

The previous prime is 1166015005957. The next prime is 1166015006003. The reversal of 1166015006001 is 1006005106611.

1166015006001 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 0 + 1 + 50 + 0 + 600 + 1 = 666.

It is not a de Polignac number, because 1166015006001 - 2⁷ = 1166015005873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1166015006003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20754306 + ... + 20810411.

It is an arithmetic number, because the mean of its divisors is an integer number (108068266800).

Almost surely, 2^{1166015006001} is an apocalyptic number.

It is an amenable number.

1166015006001 is a deficient number, since it is larger than the sum of its proper divisors (563077262799).

1166015006001 is a wasteful number, since it uses less digits than its factorization.

1166015006001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41565765 (or 41565759 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 1166015006001 in words is "one trillion, one hundred sixty-six billion, fifteen million, six thousand, one".