11523003022061 has 4 divisors (see below), whose sum is σ = 11587377340800. Its totient is φ = 11458628703324.

The previous prime is 11523003022057. The next prime is 11523003022067. The reversal of 11523003022061 is 16022030032511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11523003022061 - 2² = 11523003022057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11523003022061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523003022067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32187159101 + ... + 32187159458.

It is an arithmetic number, because the mean of its divisors is an integer number (2896844335200).

Almost surely, 2^{11523003022061} is an apocalyptic number.

It is an amenable number.

11523003022061 is a deficient number, since it is larger than the sum of its proper divisors (64374318739).

11523003022061 is an equidigital number, since it uses as much as digits as its factorization.

11523003022061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64374318738.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 11523003022061 its reverse (16022030032511), we get a palindrome (27545033054572).

The spelling of 11523003022061 in words is "eleven trillion, five hundred twenty-three billion, three million, twenty-two thousand, sixty-one".