11648163123 has 40 divisors (see below), whose sum is σ = 18418910400. Its totient is φ = 7315462512.

The previous prime is 11648163119. The next prime is 11648163151. The reversal of 11648163123 is 32136184611.

11648163123 is a `hidden beast` number, since 1 + 1 + 648 + 1 + 6 + 3 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 11648163123 - 2² = 11648163119 is a prime.

It is a super-2 number, since 2×11648163123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11648163223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 254340 + ... + 296622.

It is an arithmetic number, because the mean of its divisors is an integer number (460472760).

Almost surely, 2^11648163123 is an apocalyptic number.

11648163123 is a deficient number, since it is larger than the sum of its proper divisors (6770747277).

11648163123 is a wasteful number, since it uses less digits than its factorization.

11648163123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42493 (or 42484 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 11648163123 in words is "eleven billion, six hundred forty-eight million, one hundred sixty-three thousand, one hundred twenty-three".