1275035517049 has 24 divisors (see below), whose sum is σ = 1504427904000. Its totient is φ = 1077256172160.

The previous prime is 1275035517037. The next prime is 1275035517149. The reversal of 1275035517049 is 9407155305721.

It is not a de Polignac number, because 1275035517049 - 2⁷ = 1275035516921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 1275035516993 and 1275035517011.

It is not an unprimeable number, because it can be changed into a prime (1275035517149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16657537 + ... + 16733905.

It is an arithmetic number, because the mean of its divisors is an integer number (62684496000).

Almost surely, 2^{1275035517049} is an apocalyptic number.

It is an amenable number.

1275035517049 is a deficient number, since it is larger than the sum of its proper divisors (229392386951).

1275035517049 is an equidigital number, since it uses as much as digits as its factorization.

1275035517049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81253 (or 81246 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 49.

The spelling of 1275035517049 in words is "one trillion, two hundred seventy-five billion, thirty-five million, five hundred seventeen thousand, forty-nine".