1276677359042 has 6 divisors (see below), whose sum is σ = 1915018435449. Its totient is φ = 638337880560.

The previous prime is 1276677359033. The next prime is 1276677359099. The reversal of 1276677359042 is 2409537766721.

It can be written as a sum of positive squares in 2 ways, for example, as 1276649152321 + 28206721 = 1129889^2 + 5311^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=798961.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1198442 + ... + 1997402.

Almost surely, 2^{1276677359042} is an apocalyptic number.

1276677359042 is a deficient number, since it is larger than the sum of its proper divisors (638341076407).

1276677359042 is an frugal number, since it uses more digits than its factorization.

1276677359042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597924 (or 798963 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 1276677359042 in words is "one trillion, two hundred seventy-six billion, six hundred seventy-seven million, three hundred fifty-nine thousand, forty-two".