1551503352053 has 2 divisors, whose sum is σ = 1551503352054. Its totient is φ = 1551503352052.

The previous prime is 1551503352043. The next prime is 1551503352067. The reversal of 1551503352053 is 3502533051551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478174503204 + 73328848849 = 1215802^2 + 270793^2 .

It is an emirp because it is prime and its reverse (3502533051551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1551503352053 - 2¹⁶ = 1551503286517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1551503351998 and 1551503352016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1551503352043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775751676026 + 775751676027.

It is an arithmetic number, because the mean of its divisors is an integer number (775751676027).

Almost surely, 2^{1551503352053} is an apocalyptic number.

It is an amenable number.

1551503352053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551503352053 is an equidigital number, since it uses as much as digits as its factorization.

1551503352053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168750, while the sum is 38.

The spelling of 1551503352053 in words is "one trillion, five hundred fifty-one billion, five hundred three million, three hundred fifty-two thousand, fifty-three".