11241115545 has 16 divisors (see below), whose sum is σ = 19620856512. Its totient is φ = 5450237760.

The previous prime is 11241115489. The next prime is 11241115573. The reversal of 11241115545 is 54551114211.

It is not a de Polignac number, because 11241115545 - 2¹¹ = 11241113497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34063822 + ... + 34064151.

It is an arithmetic number, because the mean of its divisors is an integer number (1226303532).

Almost surely, 2^11241115545 is an apocalyptic number.

11241115545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11241115545 is a deficient number, since it is larger than the sum of its proper divisors (8379740967).

11241115545 is a wasteful number, since it uses less digits than its factorization.

11241115545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68127992.

The product of its digits is 4000, while the sum is 30.

Adding to 11241115545 its reverse (54551114211), we get a palindrome (65792229756).

The spelling of 11241115545 in words is "eleven billion, two hundred forty-one million, one hundred fifteen thousand, five hundred forty-five".