1276755943107 has 16 divisors (see below), whose sum is σ = 1802513505312. Its totient is φ = 801086423040.

The previous prime is 1276755943093. The next prime is 1276755943139. The reversal of 1276755943107 is 7013495576721.

It is not a de Polignac number, because 1276755943107 - 2⁸ = 1276755942851 is a prime.

It is a super-3 number, since 3×1276755943107³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1276755943147) 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 15 ways as a sum of consecutive naturals, for example, 2830507 + ... + 3250427.

It is an arithmetic number, because the mean of its divisors is an integer number (112657094082).

Almost surely, 2^{1276755943107} is an apocalyptic number.

1276755943107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1276755943107 is a deficient number, since it is larger than the sum of its proper divisors (525757562205).

1276755943107 is a wasteful number, since it uses less digits than its factorization.

1276755943107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479558.

The product of its (nonzero) digits is 11113200, while the sum is 57.

The spelling of 1276755943107 in words is "one trillion, two hundred seventy-six billion, seven hundred fifty-five million, nine hundred forty-three thousand, one hundred seven".