11250042534 has 20 divisors (see below), whose sum is σ = 25208429004. Its totient is φ = 3750014124.

The previous prime is 11250042527. The next prime is 11250042539. The reversal of 11250042534 is 43524005211.

11250042534 is a `hidden beast` number, since 1 + 125 + 0 + 0 + 4 + 2 + 534 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11250042498 and 11250042507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11250042539) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34722192 + ... + 34722515.

Almost surely, 2^11250042534 is an apocalyptic number.

11250042534 is an abundant number, since it is smaller than the sum of its proper divisors (13958386470).

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

11250042534 is an equidigital number, since it uses as much as digits as its factorization.

11250042534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69444721 (or 69444712 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 11250042534 its reverse (43524005211), we get a palindrome (54774047745).

The spelling of 11250042534 in words is "eleven billion, two hundred fifty million, forty-two thousand, five hundred thirty-four".