15253052555243 has 2 divisors, whose sum is σ = 15253052555244. Its totient is φ = 15253052555242.

The previous prime is 15253052555197. The next prime is 15253052555281. The reversal of 15253052555243 is 34255525035251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15253052555243 - 2⁶ = 15253052555179 is a prime.

It is a super-2 number, since 2×15253052555243² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15253052545243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626526277621 + 7626526277622.

It is an arithmetic number, because the mean of its divisors is an integer number (7626526277622).

Almost surely, 2^{15253052555243} is an apocalyptic number.

15253052555243 is a deficient number, since it is larger than the sum of its proper divisors (1).

15253052555243 is an equidigital number, since it uses as much as digits as its factorization.

15253052555243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 15253052555243 in words is "fifteen trillion, two hundred fifty-three billion, fifty-two million, five hundred fifty-five thousand, two hundred forty-three".