1112231781376 has 33 divisors (see below), whose sum is σ = 2223444863929. Its totient is φ = 556099016704.

The previous prime is 1112231781361. The next prime is 1112231781379. The reversal of 1112231781376 is 6731871322111.

The square root of 1112231781376 is 1054624.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1085930726400 + 26301054976 = 1042080^2 + 162176^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112231781379) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33731490 + ... + 33764446.

Almost surely, 2^{1112231781376} is an apocalyptic number.

1112231781376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1112231781376 is the 1054624-th square number.

It is an amenable number.

1112231781376 is a deficient number, since it is larger than the sum of its proper divisors (1111213082553).

1112231781376 is an frugal number, since it uses more digits than its factorization.

1112231781376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65934 (or 32959 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The spelling of 1112231781376 in words is "one trillion, one hundred twelve billion, two hundred thirty-one million, seven hundred eighty-one thousand, three hundred seventy-six".