1080644496123 has 18 divisors (see below), whose sum is σ = 1465016095452. Its totient is φ = 708547320240.

The previous prime is 1080644496121. The next prime is 1080644496167. The reversal of 1080644496123 is 3216944460801.

It is a happy number.

It is not a de Polignac number, because 1080644496123 - 2¹ = 1080644496121 is a prime.

It is a super-2 number, since 2×1080644496123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1080644496121) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 109827838 + ... + 109837676.

Almost surely, 2^{1080644496123} is an apocalyptic number.

1080644496123 is a deficient number, since it is larger than the sum of its proper divisors (384371599329).

1080644496123 is an frugal number, since it uses more digits than its factorization.

1080644496123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803 (or 9903 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

Multiplying 1080644496123 by its sum of digits (48), we get a square (51870935813904 = 7202148²).

The spelling of 1080644496123 in words is "one trillion, eighty billion, six hundred forty-four million, four hundred ninety-six thousand, one hundred twenty-three".