1276339525752 has 16 divisors (see below), whose sum is σ = 3190848814440. Its totient is φ = 425446508576.

The previous prime is 1276339525673. The next prime is 1276339525759. The reversal of 1276339525752 is 2575259336721.

It is a junction number, because it is equal to n+sod(n) for n = 1276339525692 and 1276339525701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276339525759) 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 3 ways as a sum of consecutive naturals, for example, 26590406763 + ... + 26590406810.

Almost surely, 2^{1276339525752} is an apocalyptic number.

1276339525752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1276339525752 is an abundant number, since it is smaller than the sum of its proper divisors (1914509288688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1276339525752 is a wasteful number, since it uses less digits than its factorization.

1276339525752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53180813582 (or 53180813578 counting only the distinct ones).

The product of its digits is 23814000, while the sum is 57.

The spelling of 1276339525752 in words is "one trillion, two hundred seventy-six billion, three hundred thirty-nine million, five hundred twenty-five thousand, seven hundred fifty-two".