11131134240442 has 16 divisors (see below), whose sum is σ = 16800055651080. Its totient is φ = 5531218993728.

The previous prime is 11131134240383. The next prime is 11131134240451. The reversal of 11131134240442 is 24404243113111.

It can be written as a sum of positive squares in 4 ways, for example, as 3696617630281 + 7434516610161 = 1922659^2 + 2726631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25610073 + ... + 26041084.

Almost surely, 2^{11131134240442} is an apocalyptic number.

11131134240442 is a deficient number, since it is larger than the sum of its proper divisors (5668921410638).

11131134240442 is a wasteful number, since it uses less digits than its factorization.

11131134240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51651825.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 11131134240442 its reverse (24404243113111), we get a palindrome (35535377353553).

The spelling of 11131134240442 in words is "eleven trillion, one hundred thirty-one billion, one hundred thirty-four million, two hundred forty thousand, four hundred forty-two".