1551250797823 has 2 divisors, whose sum is σ = 1551250797824. Its totient is φ = 1551250797822.

The previous prime is 1551250797799. The next prime is 1551250797839. The reversal of 1551250797823 is 3287970521551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1551250797823 - 2⁵ = 1551250797791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1551250797323) 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, 775625398911 + 775625398912.

It is an arithmetic number, because the mean of its divisors is an integer number (775625398912).

Almost surely, 2^{1551250797823} is an apocalyptic number.

1551250797823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551250797823 is an equidigital number, since it uses as much as digits as its factorization.

1551250797823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292000, while the sum is 55.

The spelling of 1551250797823 in words is "one trillion, five hundred fifty-one billion, two hundred fifty million, seven hundred ninety-seven thousand, eight hundred twenty-three".