11522397923522 has 8 divisors (see below), whose sum is σ = 17284072955916. Its totient is φ = 5761040271552.

The previous prime is 11522397923489. The next prime is 11522397923527. The reversal of 11522397923522 is 22532979322511.

It is a happy number.

11522397923522 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 2 ways, for example, as 10373559081601 + 1148838841921 = 3220801^2 + 1071839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11522397923527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79254323 + ... + 79399574.

Almost surely, 2^{11522397923522} is an apocalyptic number.

11522397923522 is a deficient number, since it is larger than the sum of its proper divisors (5761675032394).

11522397923522 is a wasteful number, since it uses less digits than its factorization.

11522397923522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158690212.

The product of its digits is 4082400, while the sum is 53.

The spelling of 11522397923522 in words is "eleven trillion, five hundred twenty-two billion, three hundred ninety-seven million, nine hundred twenty-three thousand, five hundred twenty-two".