11601715123 has 4 divisors (see below), whose sum is σ = 11606529528. Its totient is φ = 11596900720.

The previous prime is 11601715067. The next prime is 11601715157. The reversal of 11601715123 is 32151710611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32151710611 = 40499 ⋅793889.

It is a cyclic number.

It is not a de Polignac number, because 11601715123 - 2⁹ = 11601714611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11601715091 and 11601715100.

It is not an unprimeable number, because it can be changed into a prime (11601715163) 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, 2403586 + ... + 2408407.

It is an arithmetic number, because the mean of its divisors is an integer number (2901632382).

Almost surely, 2^11601715123 is an apocalyptic number.

11601715123 is a deficient number, since it is larger than the sum of its proper divisors (4814405).

11601715123 is an equidigital number, since it uses as much as digits as its factorization.

11601715123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814404.

The product of its (nonzero) digits is 1260, while the sum is 28.

The spelling of 11601715123 in words is "eleven billion, six hundred one million, seven hundred fifteen thousand, one hundred twenty-three".