11601650101 has 4 divisors (see below), whose sum is σ = 11601926604. Its totient is φ = 11601373600.

The previous prime is 11601650077. The next prime is 11601650141. The reversal of 11601650101 is 10105610611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10105610611 = 17 ⋅594447683.

It can be written as a sum of positive squares in 2 ways, for example, as 2347402500 + 9254247601 = 48450^2 + 96199^2 .

It is a cyclic number.

It is not a de Polignac number, because 11601650101 - 2⁵ = 11601650069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601650141) 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, 60880 + ... + 164041.

It is an arithmetic number, because the mean of its divisors is an integer number (2900481651).

Almost surely, 2^11601650101 is an apocalyptic number.

It is an amenable number.

11601650101 is a deficient number, since it is larger than the sum of its proper divisors (276503).

11601650101 is an equidigital number, since it uses as much as digits as its factorization.

11601650101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276502.

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 11601650101 in words is "eleven billion, six hundred one million, six hundred fifty thousand, one hundred one".