11545321134 has 16 divisors (see below), whose sum is σ = 23835502080. Its totient is φ = 3724297080.

The previous prime is 11545321097. The next prime is 11545321141. The reversal of 11545321134 is 43112354511.

It is a congruent number.

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, 31035624 + ... + 31035995.

It is an arithmetic number, because the mean of its divisors is an integer number (1489718880).

Almost surely, 2^11545321134 is an apocalyptic number.

11545321134 is an abundant number, since it is smaller than the sum of its proper divisors (12290180946).

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

11545321134 is a wasteful number, since it uses less digits than its factorization.

11545321134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62071655.

The product of its digits is 7200, while the sum is 30.

Adding to 11545321134 its reverse (43112354511), we get a palindrome (54657675645).

The spelling of 11545321134 in words is "eleven billion, five hundred forty-five million, three hundred twenty-one thousand, one hundred thirty-four".