1552450405523 has 2 divisors, whose sum is σ = 1552450405524. Its totient is φ = 1552450405522.

The previous prime is 1552450405439. The next prime is 1552450405531. The reversal of 1552450405523 is 3255040542551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1552450405523 - 2³⁰ = 1551376663699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552450405573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776225202761 + 776225202762.

It is an arithmetic number, because the mean of its divisors is an integer number (776225202762).

Almost surely, 2^{1552450405523} is an apocalyptic number.

1552450405523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552450405523 is an equidigital number, since it uses as much as digits as its factorization.

1552450405523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 1552450405523 in words is "one trillion, five hundred fifty-two billion, four hundred fifty million, four hundred five thousand, five hundred twenty-three".