21150035153719 has 2 divisors, whose sum is σ = 21150035153720. Its totient is φ = 21150035153718.

The previous prime is 21150035153633. The next prime is 21150035153747. The reversal of 21150035153719 is 91735153005112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21150035153719 - 2⁹ = 21150035153207 is a prime.

It is a super-2 number, since 2×21150035153719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21150035150719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10575017576859 + 10575017576860.

It is an arithmetic number, because the mean of its divisors is an integer number (10575017576860).

Almost surely, 2^{21150035153719} is an apocalyptic number.

21150035153719 is a deficient number, since it is larger than the sum of its proper divisors (1).

21150035153719 is an equidigital number, since it uses as much as digits as its factorization.

21150035153719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141750, while the sum is 43.

The spelling of 21150035153719 in words is "twenty-one trillion, one hundred fifty billion, thirty-five million, one hundred fifty-three thousand, seven hundred nineteen".