11534442055 has 12 divisors (see below), whose sum is σ = 14187168216. Its totient is φ = 9002484800.

The previous prime is 11534442053. The next prime is 11534442071. The reversal of 11534442055 is 55024443511.

It is not a de Polignac number, because 11534442055 - 2¹ = 11534442053 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 11534442055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534442053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 677761 + ... + 694570.

It is an arithmetic number, because the mean of its divisors is an integer number (1182264018).

Almost surely, 2^11534442055 is an apocalyptic number.

11534442055 is a deficient number, since it is larger than the sum of its proper divisors (2652726161).

11534442055 is an equidigital number, since it uses as much as digits as its factorization.

11534442055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372418 (or 1372377 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 11534442055 its reverse (55024443511), we get a palindrome (66558885566).

The spelling of 11534442055 in words is "eleven billion, five hundred thirty-four million, four hundred forty-two thousand, fifty-five".