11501131441 has 8 divisors (see below), whose sum is σ = 11791622304. Its totient is φ = 11211115680.

The previous prime is 11501131427. The next prime is 11501131451. The reversal of 11501131441 is 14413110511.

11501131441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11501131441 - 2²⁷ = 11366913713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11501131451) 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 7 ways as a sum of consecutive naturals, for example, 69495 + ... + 166828.

It is an arithmetic number, because the mean of its divisors is an integer number (1473952788).

Almost surely, 2^11501131441 is an apocalyptic number.

It is an amenable number.

11501131441 is a deficient number, since it is larger than the sum of its proper divisors (290490863).

11501131441 is a wasteful number, since it uses less digits than its factorization.

11501131441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237551.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 11501131441 its reverse (14413110511), we get a palindrome (25914241952).

The spelling of 11501131441 in words is "eleven billion, five hundred one million, one hundred thirty-one thousand, four hundred forty-one".