11131153442 has 16 divisors (see below), whose sum is σ = 16970195040. Its totient is φ = 5474824992.

The previous prime is 11131153441. The next prime is 11131153459. The reversal of 11131153442 is 24435113111.

It is not an unprimeable number, because it can be changed into a prime (11131153441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45248 + ... + 155915.

It is an arithmetic number, because the mean of its divisors is an integer number (1060637190).

Almost surely, 2^11131153442 is an apocalyptic number.

11131153442 is a deficient number, since it is larger than the sum of its proper divisors (5839041598).

11131153442 is a wasteful number, since it uses less digits than its factorization.

11131153442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201617.

The product of its digits is 1440, while the sum is 26.

Adding to 11131153442 its reverse (24435113111), we get a palindrome (35566266553).

The spelling of 11131153442 in words is "eleven billion, one hundred thirty-one million, one hundred fifty-three thousand, four hundred forty-two".