1123651260616 has 32 divisors (see below), whose sum is σ = 2121024382200. Its totient is φ = 558050890240.

The previous prime is 1123651260577. The next prime is 1123651260623. The reversal of 1123651260616 is 6160621563211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1045444900900 + 78206359716 = 1022470^2 + 279654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085820 + ... + 1851028.

Almost surely, 2^{1123651260616} is an apocalyptic number.

It is an amenable number.

1123651260616 is a deficient number, since it is larger than the sum of its proper divisors (997373121584).

1123651260616 is a wasteful number, since it uses less digits than its factorization.

1123651260616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766449 (or 766445 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1123651260616 in words is "one trillion, one hundred twenty-three billion, six hundred fifty-one million, two hundred sixty thousand, six hundred sixteen".