1275988517253 has 48 divisors (see below), whose sum is σ = 1868090402880. Its totient is φ = 839199094272.

The previous prime is 1275988517213. The next prime is 1275988517263. The reversal of 1275988517253 is 3527158895721.

1275988517253 is a `hidden beast` number, since 1 + 2 + 7 + 5 + 98 + 8 + 517 + 25 + 3 = 666.

It is not a de Polignac number, because 1275988517253 - 2¹² = 1275988513157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275988517213) 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 in 47 ways as a sum of consecutive naturals, for example, 471364926 + ... + 471367632.

It is an arithmetic number, because the mean of its divisors is an integer number (38918550060).

Almost surely, 2^{1275988517253} is an apocalyptic number.

It is an amenable number.

1275988517253 is a deficient number, since it is larger than the sum of its proper divisors (592101885627).

1275988517253 is a wasteful number, since it uses less digits than its factorization.

1275988517253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818 (or 4815 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 63.

The spelling of 1275988517253 in words is "one trillion, two hundred seventy-five billion, nine hundred eighty-eight million, five hundred seventeen thousand, two hundred fifty-three".