11523463021225 has 24 divisors (see below), whose sum is σ = 14495434375680. Its totient is φ = 9085832507520.

The previous prime is 11523463021219. The next prime is 11523463021229. The reversal of 11523463021225 is 52212036432511.

It is a happy number.

11523463021225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11523463021225 - 2¹¹ = 11523463019177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11523463021229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185256 + ... + 4804294.

It is an arithmetic number, because the mean of its divisors is an integer number (603976432320).

Almost surely, 2^{11523463021225} is an apocalyptic number.

It is an amenable number.

11523463021225 is a deficient number, since it is larger than the sum of its proper divisors (2971971354455).

11523463021225 is a wasteful number, since it uses less digits than its factorization.

11523463021225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620489 (or 4620484 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 11523463021225 its reverse (52212036432511), we get a palindrome (63735499453736).

The spelling of 11523463021225 in words is "eleven trillion, five hundred twenty-three billion, four hundred sixty-three million, twenty-one thousand, two hundred twenty-five".