1277000945111 has 2 divisors, whose sum is σ = 1277000945112. Its totient is φ = 1277000945110.

The previous prime is 1277000945081. The next prime is 1277000945137. The reversal of 1277000945111 is 1115490007721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1277000945111 - 2¹⁴ = 1277000928727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1277000944111) 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 as a sum of consecutive naturals, namely, 638500472555 + 638500472556.

It is an arithmetic number, because the mean of its divisors is an integer number (638500472556).

Almost surely, 2^{1277000945111} is an apocalyptic number.

1277000945111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1277000945111 is an equidigital number, since it uses as much as digits as its factorization.

1277000945111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The spelling of 1277000945111 in words is "one trillion, two hundred seventy-seven billion, nine hundred forty-five thousand, one hundred eleven".