112287761618 has 6 divisors (see below), whose sum is σ = 168432353271. Its totient is φ = 56143643862.

The previous prime is 112287761603. The next prime is 112287761683. The reversal of 112287761618 is 816167782211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56143880809 + 56143880809 = 236947^2 + 236947^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=236947.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 355421 + ... + 592367.

Almost surely, 2^112287761618 is an apocalyptic number.

112287761618 is a deficient number, since it is larger than the sum of its proper divisors (56144591653).

112287761618 is an frugal number, since it uses more digits than its factorization.

112287761618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473896 (or 236949 counting only the distinct ones).

The product of its digits is 451584, while the sum is 50.

Multiplying 112287761618 by its sum of digits (50), we get a square (5614388080900 = 2369470²).

The spelling of 112287761618 in words is "one hundred twelve billion, two hundred eighty-seven million, seven hundred sixty-one thousand, six hundred eighteen".