1552021453313 has 2 divisors, whose sum is σ = 1552021453314. Its totient is φ = 1552021453312.

The previous prime is 1552021453273. The next prime is 1552021453391. The reversal of 1552021453313 is 3133541202551.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138941452944 + 413080000369 = 1067212^2 + 642713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552021453313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552021453813) 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, 776010726656 + 776010726657.

It is an arithmetic number, because the mean of its divisors is an integer number (776010726657).

Almost surely, 2^{1552021453313} is an apocalyptic number.

It is an amenable number.

1552021453313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552021453313 is an equidigital number, since it uses as much as digits as its factorization.

1552021453313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 1552021453313 its reverse (3133541202551), we get a palindrome (4685562655864).

The spelling of 1552021453313 in words is "one trillion, five hundred fifty-two billion, twenty-one million, four hundred fifty-three thousand, three hundred thirteen".