1011110859877 has 2 divisors, whose sum is σ = 1011110859878. Its totient is φ = 1011110859876.

The previous prime is 1011110859853. The next prime is 1011110859883. The reversal of 1011110859877 is 7789580111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812979935716 + 198130924161 = 901654^2 + 445119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011110859877 is a prime.

It is a super-2 number, since 2×1011110859877² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1011110859877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011110857877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555429938 + 505555429939.

It is an arithmetic number, because the mean of its divisors is an integer number (505555429939).

Almost surely, 2^{1011110859877} is an apocalyptic number.

It is an amenable number.

1011110859877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011110859877 is an equidigital number, since it uses as much as digits as its factorization.

1011110859877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 49.

The spelling of 1011110859877 in words is "one trillion, eleven billion, one hundred ten million, eight hundred fifty-nine thousand, eight hundred seventy-seven".