11521134456532 has 6 divisors (see below), whose sum is σ = 20161985298938. Its totient is φ = 5760567228264.

The previous prime is 11521134456523. The next prime is 11521134456539. The reversal of 11521134456532 is 23565443112511.

11521134456532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11417613968016 + 103520488516 = 3378996^2 + 321746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11521134456539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440141807063 + ... + 1440141807070.

Almost surely, 2^{11521134456532} is an apocalyptic number.

It is an amenable number.

11521134456532 is a deficient number, since it is larger than the sum of its proper divisors (8640850842406).

11521134456532 is a wasteful number, since it uses less digits than its factorization.

11521134456532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880283614137 (or 2880283614135 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 11521134456532 in words is "eleven trillion, five hundred twenty-one billion, one hundred thirty-four million, four hundred fifty-six thousand, five hundred thirty-two".