111051056511077 has 2 divisors, whose sum is σ = 111051056511078. Its totient is φ = 111051056511076.

The previous prime is 111051056511041. The next prime is 111051056511119. The reversal of 111051056511077 is 770115650150111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62578952990596 + 48472103520481 = 7910686^2 + 6962191^2 .

It is an emirp because it is prime and its reverse (770115650150111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111051056511077 - 2¹⁶ = 111051056445541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111051056511977) 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, 55525528255538 + 55525528255539.

It is an arithmetic number, because the mean of its divisors is an integer number (55525528255539).

Almost surely, 2^{111051056511077} is an apocalyptic number.

It is an amenable number.

111051056511077 is a deficient number, since it is larger than the sum of its proper divisors (1).

111051056511077 is an equidigital number, since it uses as much as digits as its factorization.

111051056511077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 41.

The spelling of 111051056511077 in words is "one hundred eleven trillion, fifty-one billion, fifty-six million, five hundred eleven thousand, seventy-seven".