112345556777 has 2 divisors, whose sum is σ = 112345556778. Its totient is φ = 112345556776.

The previous prime is 112345556759. The next prime is 112345556797. The reversal of 112345556777 is 777655543211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91100745241 + 21244811536 = 301829^2 + 145756^2 .

It is a cyclic number.

It is not a de Polignac number, because 112345556777 - 2¹⁶ = 112345491241 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (112345556797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56172778388 + 56172778389.

It is an arithmetic number, because the mean of its divisors is an integer number (56172778389).

Almost surely, 2^112345556777 is an apocalyptic number.

It is an amenable number.

112345556777 is a deficient number, since it is larger than the sum of its proper divisors (1).

112345556777 is an equidigital number, since it uses as much as digits as its factorization.

112345556777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6174000, while the sum is 53.

The spelling of 112345556777 in words is "one hundred twelve billion, three hundred forty-five million, five hundred fifty-six thousand, seven hundred seventy-seven".