11501124401 has 16 divisors (see below), whose sum is σ = 12992071680. Its totient is φ = 10101622080.

The previous prime is 11501124373. The next prime is 11501124431. The reversal of 11501124401 is 10442110511.

11501124401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11501124401 - 2⁶ = 11501124337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11501124431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43586 + ... + 157803.

It is an arithmetic number, because the mean of its divisors is an integer number (812004480).

Almost surely, 2^11501124401 is an apocalyptic number.

It is an amenable number.

11501124401 is a deficient number, since it is larger than the sum of its proper divisors (1490947279).

11501124401 is a wasteful number, since it uses less digits than its factorization.

11501124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201616.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 11501124401 its reverse (10442110511), we get a palindrome (21943234912).

The spelling of 11501124401 in words is "eleven billion, five hundred one million, one hundred twenty-four thousand, four hundred one".