1276325303253 has 32 divisors (see below), whose sum is σ = 2284890058752. Its totient is φ = 612024120000.

The previous prime is 1276325303251. The next prime is 1276325303261. The reversal of 1276325303253 is 3523035236721.

It is not a de Polignac number, because 1276325303253 - 2¹ = 1276325303251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276325303251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212505373 + ... + 212511378.

It is an arithmetic number, because the mean of its divisors is an integer number (71402814336).

Almost surely, 2^{1276325303253} is an apocalyptic number.

1276325303253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1276325303253 is a deficient number, since it is larger than the sum of its proper divisors (1008564755499).

1276325303253 is a wasteful number, since it uses less digits than its factorization.

1276325303253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425016785.

The product of its (nonzero) digits is 680400, while the sum is 42.

The spelling of 1276325303253 in words is "one trillion, two hundred seventy-six billion, three hundred twenty-five million, three hundred three thousand, two hundred fifty-three".