112861311677 has 4 divisors (see below), whose sum is σ = 115911617436. Its totient is φ = 109811005920.

The previous prime is 112861311671. The next prime is 112861311691. The reversal of 112861311677 is 776113168211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776113168211 = 967 ⋅802598933.

It can be written as a sum of positive squares in 2 ways, for example, as 86021370436 + 26839941241 = 293294^2 + 163829^2 .

It is a cyclic number.

It is not a de Polignac number, because 112861311677 - 2¹⁸ = 112861049533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112861311671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525152824 + ... + 1525152897.

It is an arithmetic number, because the mean of its divisors is an integer number (28977904359).

Almost surely, 2^112861311677 is an apocalyptic number.

It is an amenable number.

112861311677 is a deficient number, since it is larger than the sum of its proper divisors (3050305759).

112861311677 is an equidigital number, since it uses as much as digits as its factorization.

112861311677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050305758.

The product of its digits is 84672, while the sum is 44.

Adding to 112861311677 its reverse (776113168211), we get a palindrome (888974479888).

The spelling of 112861311677 in words is "one hundred twelve billion, eight hundred sixty-one million, three hundred eleven thousand, six hundred seventy-seven".