15755538227953 has 2 divisors, whose sum is σ = 15755538227954. Its totient is φ = 15755538227952.

The previous prime is 15755538227951. The next prime is 15755538227977. The reversal of 15755538227953 is 35972283555751.

15755538227953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15326661245184 + 428876982769 = 3914928^2 + 654887^2 .

It is a cyclic number.

It is not a de Polignac number, because 15755538227953 - 2¹ = 15755538227951 is a prime.

It is a super-3 number, since 3×15755538227953³ (a number of 41 digits) contains 333 as substring.

Together with 15755538227951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15755538227951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7877769113976 + 7877769113977.

It is an arithmetic number, because the mean of its divisors is an integer number (7877769113977).

Almost surely, 2^{15755538227953} is an apocalyptic number.

It is an amenable number.

15755538227953 is a deficient number, since it is larger than the sum of its proper divisors (1).

15755538227953 is an equidigital number, since it uses as much as digits as its factorization.

15755538227953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900000, while the sum is 67.

The spelling of 15755538227953 in words is "fifteen trillion, seven hundred fifty-five billion, five hundred thirty-eight million, two hundred twenty-seven thousand, nine hundred fifty-three".