15451560449867 has 2 divisors, whose sum is σ = 15451560449868. Its totient is φ = 15451560449866.

The previous prime is 15451560449803. The next prime is 15451560449881. The reversal of 15451560449867 is 76894406515451.

It is a happy number.

15451560449867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15451560449867 - 2⁶ = 15451560449803 is a prime.

It is not a weakly prime, because it can be changed into another prime (15451560449887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7725780224933 + 7725780224934.

It is an arithmetic number, because the mean of its divisors is an integer number (7725780224934).

Almost surely, 2^{15451560449867} is an apocalyptic number.

15451560449867 is a deficient number, since it is larger than the sum of its proper divisors (1).

15451560449867 is an equidigital number, since it uses as much as digits as its factorization.

15451560449867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152000, while the sum is 65.

The spelling of 15451560449867 in words is "fifteen trillion, four hundred fifty-one billion, five hundred sixty million, four hundred forty-nine thousand, eight hundred sixty-seven".