1275536704553 has 4 divisors (see below), whose sum is σ = 1275545226240. Its totient is φ = 1275528182868.

The previous prime is 1275536704543. The next prime is 1275536704577. The reversal of 1275536704553 is 3554076355721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1275536704553 - 2³⁸ = 1000658797609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1275536704495 and 1275536704504.

It is not an unprimeable number, because it can be changed into a prime (1275536704523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4032233 + ... + 4337046.

It is an arithmetic number, because the mean of its divisors is an integer number (318886306560).

Almost surely, 2^{1275536704553} is an apocalyptic number.

It is an amenable number.

1275536704553 is a deficient number, since it is larger than the sum of its proper divisors (8521687).

1275536704553 is an equidigital number, since it uses as much as digits as its factorization.

1275536704553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521686.

The product of its (nonzero) digits is 13230000, while the sum is 53.

The spelling of 1275536704553 in words is "one trillion, two hundred seventy-five billion, five hundred thirty-six million, seven hundred four thousand, five hundred fifty-three".