11541242105 has 32 divisors (see below), whose sum is σ = 15499434240. Its totient is φ = 8208794880.

The previous prime is 11541242099. The next prime is 11541242113. The reversal of 11541242105 is 50124214511.

It is a happy number.

It is not a de Polignac number, because 11541242105 - 2²⁰ = 11540193529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65975 + ... + 165635.

It is an arithmetic number, because the mean of its divisors is an integer number (484357320).

Almost surely, 2^11541242105 is an apocalyptic number.

It is an amenable number.

11541242105 is a deficient number, since it is larger than the sum of its proper divisors (3958192135).

11541242105 is a wasteful number, since it uses less digits than its factorization.

11541242105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99761.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 11541242105 its reverse (50124214511), we get a palindrome (61665456616).

The spelling of 11541242105 in words is "eleven billion, five hundred forty-one million, two hundred forty-two thousand, one hundred five".