11542251234 has 32 divisors (see below), whose sum is σ = 23406808320. Its totient is φ = 3793825152.

The previous prime is 11542251181. The next prime is 11542251239. The reversal of 11542251234 is 43215224511.

It is not an unprimeable number, because it can be changed into a prime (11542251239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362502 + ... + 393054.

It is an arithmetic number, because the mean of its divisors is an integer number (731462760).

Almost surely, 2^11542251234 is an apocalyptic number.

11542251234 is an abundant number, since it is smaller than the sum of its proper divisors (11864557086).

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

11542251234 is a wasteful number, since it uses less digits than its factorization.

11542251234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31434.

The product of its digits is 9600, while the sum is 30.

Adding to 11542251234 its reverse (43215224511), we get a palindrome (54757475745).

The spelling of 11542251234 in words is "eleven billion, five hundred forty-two million, two hundred fifty-one thousand, two hundred thirty-four".