11262151121 has 16 divisors (see below), whose sum is σ = 12187553280. Its totient is φ = 10345294080.

The previous prime is 11262151099. The next prime is 11262151123. The reversal of 11262151121 is 12115126211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11262151121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11262151123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3644345 + ... + 3647433.

It is an arithmetic number, because the mean of its divisors is an integer number (761722080).

Almost surely, 2^11262151121 is an apocalyptic number.

It is an amenable number.

11262151121 is a deficient number, since it is larger than the sum of its proper divisors (925402159).

11262151121 is a wasteful number, since it uses less digits than its factorization.

11262151121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376.

The product of its digits is 240, while the sum is 23.

Adding to 11262151121 its reverse (12115126211), we get a palindrome (23377277332).

The spelling of 11262151121 in words is "eleven billion, two hundred sixty-two million, one hundred fifty-one thousand, one hundred twenty-one".