11142034456 has 32 divisors (see below), whose sum is σ = 23879175840. Its totient is φ = 4774480128.

The previous prime is 11142034451. The next prime is 11142034459. The reversal of 11142034456 is 65443024111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142034451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754116 + ... + 768748.

It is an arithmetic number, because the mean of its divisors is an integer number (746224245).

Almost surely, 2^11142034456 is an apocalyptic number.

It is an amenable number.

11142034456 is an abundant number, since it is smaller than the sum of its proper divisors (12737141384).

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

11142034456 is a wasteful number, since it uses less digits than its factorization.

11142034456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28243 (or 28239 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 11142034456 its reverse (65443024111), we get a palindrome (76585058567).

The spelling of 11142034456 in words is "eleven billion, one hundred forty-two million, thirty-four thousand, four hundred fifty-six".