110661605001 has 16 divisors (see below), whose sum is σ = 163993677120. Its totient is φ = 73751652000.

The previous prime is 110661604979. The next prime is 110661605027. The reversal of 110661605001 is 100506166011.

It is not a de Polignac number, because 110661605001 - 2¹³ = 110661596809 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 (110661605081) 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, 542580 + ... + 718133.

It is an arithmetic number, because the mean of its divisors is an integer number (10249604820).

Almost surely, 2^110661605001 is an apocalyptic number.

It is an amenable number.

110661605001 is a deficient number, since it is larger than the sum of its proper divisors (53332072119).

110661605001 is a wasteful number, since it uses less digits than its factorization.

110661605001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263973 (or 1263967 counting only the distinct ones).

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

The spelling of 110661605001 in words is "one hundred ten billion, six hundred sixty-one million, six hundred five thousand, one".