116506040401 has 4 divisors (see below), whose sum is σ = 120523490100. Its totient is φ = 112488590704.

The previous prime is 116506040389. The next prime is 116506040477. The reversal of 116506040401 is 104040605611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104040605611 = 97 ⋅1072583563.

It can be written as a sum of positive squares in 2 ways, for example, as 71824536001 + 44681504400 = 268001^2 + 211380^2 .

It is a cyclic number.

It is not a de Polignac number, because 116506040401 - 2¹¹ = 116506038353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116506040401.

It is not an unprimeable number, because it can be changed into a prime (116506640401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2008724806 + ... + 2008724863.

It is an arithmetic number, because the mean of its divisors is an integer number (30130872525).

Almost surely, 2^116506040401 is an apocalyptic number.

It is an amenable number.

116506040401 is a deficient number, since it is larger than the sum of its proper divisors (4017449699).

116506040401 is an equidigital number, since it uses as much as digits as its factorization.

116506040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017449698.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 116506040401 in words is "one hundred sixteen billion, five hundred six million, forty thousand, four hundred one".