11542224511 has 16 divisors (see below), whose sum is σ = 12527645760. Its totient is φ = 10591211520.

The previous prime is 11542224509. The next prime is 11542224559.

11542224511 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 11542224511 - 2¹ = 11542224509 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 11542224511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542224011) 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, 1233910 + ... + 1243228.

It is an arithmetic number, because the mean of its divisors is an integer number (782977860).

Almost surely, 2^11542224511 is an apocalyptic number.

11542224511 is a deficient number, since it is larger than the sum of its proper divisors (985421249).

11542224511 is a wasteful number, since it uses less digits than its factorization.

11542224511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154.

The product of its digits is 3200, while the sum is 28.

The spelling of 11542224511 in words is "eleven billion, five hundred forty-two million, two hundred twenty-four thousand, five hundred eleven".