1163112453456 has 160 divisors (see below), whose sum is σ = 3153096284160. Its totient is φ = 368751398400.

The previous prime is 1163112453443. The next prime is 1163112453457. The reversal of 1163112453456 is 6543542113611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163112453457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416735421 + ... + 416738211.

It is an arithmetic number, because the mean of its divisors is an integer number (19706851776).

Almost surely, 2^{1163112453456} is an apocalyptic number.

1163112453456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163112453456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576548142080).

1163112453456 is an abundant number, since it is smaller than the sum of its proper divisors (1989983830704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163112453456 is a wasteful number, since it uses less digits than its factorization.

1163112453456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825 (or 4819 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 1163112453456 in words is "one trillion, one hundred sixty-three billion, one hundred twelve million, four hundred fifty-three thousand, four hundred fifty-six".