15625265055677 has 2 divisors, whose sum is σ = 15625265055678. Its totient is φ = 15625265055676.

The previous prime is 15625265055599. The next prime is 15625265055769. The reversal of 15625265055677 is 77655056252651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14192142424516 + 1433122631161 = 3767246^2 + 1197131^2 .

It is an emirp because it is prime and its reverse (77655056252651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15625265055677 - 2¹² = 15625265051581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15625265051677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7812632527838 + 7812632527839.

It is an arithmetic number, because the mean of its divisors is an integer number (7812632527839).

Almost surely, 2^{15625265055677} is an apocalyptic number.

It is an amenable number.

15625265055677 is a deficient number, since it is larger than the sum of its proper divisors (1).

15625265055677 is an equidigital number, since it uses as much as digits as its factorization.

15625265055677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300000, while the sum is 62.

The spelling of 15625265055677 in words is "fifteen trillion, six hundred twenty-five billion, two hundred sixty-five million, fifty-five thousand, six hundred seventy-seven".