1625151277553 has 2 divisors, whose sum is σ = 1625151277554. Its totient is φ = 1625151277552.

The previous prime is 1625151277543. The next prime is 1625151277639. The reversal of 1625151277553 is 3557721515261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978008257249 + 647143020304 = 988943^2 + 804452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625151277553 - 2¹⁶ = 1625151212017 is a prime.

It is a super-2 number, since 2×1625151277553² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1625151277543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812575638776 + 812575638777.

It is an arithmetic number, because the mean of its divisors is an integer number (812575638777).

Almost surely, 2^{1625151277553} is an apocalyptic number.

It is an amenable number.

1625151277553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625151277553 is an equidigital number, since it uses as much as digits as its factorization.

1625151277553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2205000, while the sum is 50.

The spelling of 1625151277553 in words is "one trillion, six hundred twenty-five billion, one hundred fifty-one million, two hundred seventy-seven thousand, five hundred fifty-three".