11523842501 has 2 divisors, whose sum is σ = 11523842502. Its totient is φ = 11523842500.

The previous prime is 11523842497. The next prime is 11523842507. The reversal of 11523842501 is 10524832511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6452266276 + 5071576225 = 80326^2 + 71215^2 .

It is a cyclic number.

It is not a de Polignac number, because 11523842501 - 2² = 11523842497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523842507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761921250 + 5761921251.

It is an arithmetic number, because the mean of its divisors is an integer number (5761921251).

Almost surely, 2^11523842501 is an apocalyptic number.

It is an amenable number.

11523842501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523842501 is an equidigital number, since it uses as much as digits as its factorization.

11523842501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 11523842501 in words is "eleven billion, five hundred twenty-three million, eight hundred forty-two thousand, five hundred one".