15450445955911 has 2 divisors, whose sum is σ = 15450445955912. Its totient is φ = 15450445955910.

The previous prime is 15450445955869. The next prime is 15450445955941. The reversal of 15450445955911 is 11955954405451.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15450445955911 - 2¹⁷ = 15450445824839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15450445955941) 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 as a sum of consecutive naturals, namely, 7725222977955 + 7725222977956.

It is an arithmetic number, because the mean of its divisors is an integer number (7725222977956).

Almost surely, 2^{15450445955911} is an apocalyptic number.

15450445955911 is a deficient number, since it is larger than the sum of its proper divisors (1).

15450445955911 is an equidigital number, since it uses as much as digits as its factorization.

15450445955911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200000, while the sum is 58.

The spelling of 15450445955911 in words is "fifteen trillion, four hundred fifty billion, four hundred forty-five million, nine hundred fifty-five thousand, nine hundred eleven".