11541599801 has 24 divisors (see below), whose sum is σ = 12577184256. Its totient is φ = 10578395520.

The previous prime is 11541599789. The next prime is 11541599803. The reversal of 11541599801 is 10899514511.

It is not a de Polignac number, because 11541599801 - 2⁶ = 11541599737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11541599803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1685681 + ... + 1692513.

It is an arithmetic number, because the mean of its divisors is an integer number (524049344).

Almost surely, 2^11541599801 is an apocalyptic number.

It is an amenable number.

11541599801 is a deficient number, since it is larger than the sum of its proper divisors (1035584455).

11541599801 is a wasteful number, since it uses less digits than its factorization.

11541599801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013 (or 6990 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 44.

The spelling of 11541599801 in words is "eleven billion, five hundred forty-one million, five hundred ninety-nine thousand, eight hundred one".