11621052503 has 2 divisors, whose sum is σ = 11621052504. Its totient is φ = 11621052502.

The previous prime is 11621052497. The next prime is 11621052607. The reversal of 11621052503 is 30525012611.

11621052503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11621052503 - 2¹⁰ = 11621051479 is a prime.

It is a super-2 number, since 2×11621052503² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11621052103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810526251 + 5810526252.

It is an arithmetic number, because the mean of its divisors is an integer number (5810526252).

Almost surely, 2^11621052503 is an apocalyptic number.

11621052503 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621052503 is an equidigital number, since it uses as much as digits as its factorization.

11621052503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 11621052503 in words is "eleven billion, six hundred twenty-one million, fifty-two thousand, five hundred three".