1151231450112 has 264 divisors, whose sum is σ = 3466454026672. Its totient is φ = 381608755200.

The previous prime is 1151231450099. The next prime is 1151231450113. The reversal of 1151231450112 is 2110541321511.

1151231450112 is a `hidden beast` number, since 1 + 1 + 512 + 3 + 145 + 0 + 1 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151231450113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45025812 + ... + 45051372.

Almost surely, 2^{1151231450112} is an apocalyptic number.

1151231450112 is a gapful number since it is divisible by the number (12) 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 1151231450112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733227013336).

1151231450112 is an abundant number, since it is smaller than the sum of its proper divisors (2315222576560).

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

1151231450112 is an equidigital number, since it uses as much as digits as its factorization.

1151231450112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25777 (or 25747 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 1151231450112 its reverse (2110541321511), we get a palindrome (3261772771623).

The spelling of 1151231450112 in words is "one trillion, one hundred fifty-one billion, two hundred thirty-one million, four hundred fifty thousand, one hundred twelve".