1277085118675 has 6 divisors (see below), whose sum is σ = 1583585547188. Its totient is φ = 1021668094920.

The previous prime is 1277085118667. The next prime is 1277085118709. The reversal of 1277085118675 is 5768115807721.

It is a happy number.

It is not a de Polignac number, because 1277085118675 - 2³ = 1277085118667 is a prime.

It is a super-2 number, since 2×1277085118675² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25541702349 + ... + 25541702398.

Almost surely, 2^{1277085118675} is an apocalyptic number.

1277085118675 is a deficient number, since it is larger than the sum of its proper divisors (306500428513).

1277085118675 is an equidigital number, since it uses as much as digits as its factorization.

1277085118675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51083404757 (or 51083404752 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 58.

The spelling of 1277085118675 in words is "one trillion, two hundred seventy-seven billion, eighty-five million, one hundred eighteen thousand, six hundred seventy-five".