1275351651353 has 16 divisors (see below), whose sum is σ = 1376205659136. Its totient is φ = 1174891772160.

The previous prime is 1275351651289. The next prime is 1275351651361. The reversal of 1275351651353 is 3531561535721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1275351651353 - 2⁶ = 1275351651289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1275351651298 and 1275351651307.

It is not an unprimeable number, because it can be changed into a prime (1275321651353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26116826 + ... + 26165612.

It is an arithmetic number, because the mean of its divisors is an integer number (86012853696).

Almost surely, 2^{1275351651353} is an apocalyptic number.

1275351651353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1275351651353 is a deficient number, since it is larger than the sum of its proper divisors (100854007783).

1275351651353 is a wasteful number, since it uses less digits than its factorization.

1275351651353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52784.

The product of its digits is 1417500, while the sum is 47.

The spelling of 1275351651353 in words is "one trillion, two hundred seventy-five billion, three hundred fifty-one million, six hundred fifty-one thousand, three hundred fifty-three".