11240134541 has 4 divisors (see below), whose sum is σ = 11247840000. Its totient is φ = 11232429084.

The previous prime is 11240134487. The next prime is 11240134547. The reversal of 11240134541 is 14543104211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11240134541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11240134541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240134547) 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, 3850541 + ... + 3853458.

It is an arithmetic number, because the mean of its divisors is an integer number (2811960000).

Almost surely, 2^11240134541 is an apocalyptic number.

It is an amenable number.

11240134541 is a deficient number, since it is larger than the sum of its proper divisors (7705459).

11240134541 is an equidigital number, since it uses as much as digits as its factorization.

11240134541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705458.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11240134541 its reverse (14543104211), we get a palindrome (25783238752).

The spelling of 11240134541 in words is "eleven billion, two hundred forty million, one hundred thirty-four thousand, five hundred forty-one".