11421301535523 has 24 divisors (see below), whose sum is σ = 17998512217920. Its totient is φ = 6921497162160.

The previous prime is 11421301535489. The next prime is 11421301535543. The reversal of 11421301535523 is 32553510312411.

It is a happy number.

11421301535523 is a `hidden beast` number, since 1 + 1 + 4 + 21 + 30 + 1 + 53 + 552 + 3 = 666.

It is not a de Polignac number, because 11421301535523 - 2¹⁴ = 11421301519139 is a prime.

It is a super-2 number, since 2×11421301535523² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11421301535543) 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, 2828653 + ... + 5553726.

It is an arithmetic number, because the mean of its divisors is an integer number (749938009080).

Almost surely, 2^{11421301535523} is an apocalyptic number.

11421301535523 is a deficient number, since it is larger than the sum of its proper divisors (6577210682397).

11421301535523 is a wasteful number, since it uses less digits than its factorization.

11421301535523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396159 (or 8396156 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 11421301535523 its reverse (32553510312411), we get a palindrome (43974811847934).

The spelling of 11421301535523 in words is "eleven trillion, four hundred twenty-one billion, three hundred one million, five hundred thirty-five thousand, five hundred twenty-three".