1552787510273 has 2 divisors, whose sum is σ = 1552787510274. Its totient is φ = 1552787510272.

The previous prime is 1552787510257. The next prime is 1552787510279. The reversal of 1552787510273 is 3720157872551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1535785175824 + 17002334449 = 1239268^2 + 130393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552787510273 - 2⁴ = 1552787510257 is a prime.

It is a super-2 number, since 2×1552787510273² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1552787510279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776393755136 + 776393755137.

It is an arithmetic number, because the mean of its divisors is an integer number (776393755137).

Almost surely, 2^{1552787510273} is an apocalyptic number.

It is an amenable number.

1552787510273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552787510273 is an equidigital number, since it uses as much as digits as its factorization.

1552787510273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116000, while the sum is 53.

The spelling of 1552787510273 in words is "one trillion, five hundred fifty-two billion, seven hundred eighty-seven million, five hundred ten thousand, two hundred seventy-three".