15253052555281 has 2 divisors, whose sum is σ = 15253052555282. Its totient is φ = 15253052555280.

The previous prime is 15253052555243. The next prime is 15253052555303. The reversal of 15253052555281 is 18255525035251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12198317626881 + 3054734928400 = 3492609^2 + 1747780^2 .

It is a cyclic number.

It is not a de Polignac number, because 15253052555281 - 2¹⁷ = 15253052424209 is a prime.

It is a super-2 number, since 2×15253052555281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15253052555681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626526277640 + 7626526277641.

It is an arithmetic number, because the mean of its divisors is an integer number (7626526277641).

Almost surely, 2^{15253052555281} is an apocalyptic number.

It is an amenable number.

15253052555281 is a deficient number, since it is larger than the sum of its proper divisors (1).

15253052555281 is an equidigital number, since it uses as much as digits as its factorization.

15253052555281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000000, while the sum is 49.

The spelling of 15253052555281 in words is "fifteen trillion, two hundred fifty-three billion, fifty-two million, five hundred fifty-five thousand, two hundred eighty-one".