11545412562 has 12 divisors (see below), whose sum is σ = 25015060590. Its totient is φ = 3848470848.

The previous prime is 11545412539. The next prime is 11545412563. The reversal of 11545412562 is 26521454511.

11545412562 is a `hidden beast` number, since 1 + 1 + 54 + 5 + 41 + 2 + 562 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10503995121 + 1041417441 = 102489^2 + 32271^2 .

It is not an unprimeable number, because it can be changed into a prime (11545412563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320705887 + ... + 320705922.

Almost surely, 2^11545412562 is an apocalyptic number.

11545412562 is an abundant number, since it is smaller than the sum of its proper divisors (13469648028).

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

11545412562 is a wasteful number, since it uses less digits than its factorization.

11545412562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641411817 (or 641411814 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 11545412562 in words is "eleven billion, five hundred forty-five million, four hundred twelve thousand, five hundred sixty-two".