11043100331142 has 64 divisors (see below), whose sum is σ = 25512781019904. Its totient is φ = 3149368611840.

The previous prime is 11043100331071. The next prime is 11043100331167. The reversal of 11043100331142 is 24113300134011.

It is a happy number.

It is a congruent number.

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, 20169333 + ... + 20709615.

It is an arithmetic number, because the mean of its divisors is an integer number (398637203436).

Almost surely, 2^{11043100331142} is an apocalyptic number.

11043100331142 is an abundant number, since it is smaller than the sum of its proper divisors (14469680688762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11043100331142 is a wasteful number, since it uses less digits than its factorization.

11043100331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558533.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11043100331142 its reverse (24113300134011), we get a palindrome (35156400465153).

The spelling of 11043100331142 in words is "eleven trillion, forty-three billion, one hundred million, three hundred thirty-one thousand, one hundred forty-two".