11534441545 has 16 divisors (see below), whose sum is σ = 15117272640. Its totient is φ = 8378884800.

The previous prime is 11534441543. The next prime is 11534441599. The reversal of 11534441545 is 54514443511.

It is not a de Polignac number, because 11534441545 - 2¹ = 11534441543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11534441543) 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, 74826 + ... + 169315.

It is an arithmetic number, because the mean of its divisors is an integer number (944829540).

Almost surely, 2^11534441545 is an apocalyptic number.

It is an amenable number.

11534441545 is a deficient number, since it is larger than the sum of its proper divisors (3582831095).

11534441545 is a wasteful number, since it uses less digits than its factorization.

11534441545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245016.

The product of its digits is 96000, while the sum is 37.

The spelling of 11534441545 in words is "eleven billion, five hundred thirty-four million, four hundred forty-one thousand, five hundred forty-five".