11504122501 has 2 divisors, whose sum is σ = 11504122502. Its totient is φ = 11504122500.

The previous prime is 11504122481. The next prime is 11504122523. The reversal of 11504122501 is 10522140511.

It is an a-pointer prime, because the next prime (11504122523) can be obtained adding 11504122501 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11502562500 + 1560001 = 107250^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 11504122501 - 2⁹ = 11504121989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11504122541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752061250 + 5752061251.

It is an arithmetic number, because the mean of its divisors is an integer number (5752061251).

Almost surely, 2^11504122501 is an apocalyptic number.

It is an amenable number.

11504122501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11504122501 is an equidigital number, since it uses as much as digits as its factorization.

11504122501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 11504122501 in words is "eleven billion, five hundred four million, one hundred twenty-two thousand, five hundred one".