1516231134450 has 288 divisors, whose sum is σ = 4251215404800. Its totient is φ = 387101376000.

The previous prime is 1516231134403. The next prime is 1516231134491. The reversal of 1516231134450 is 544311326151.

1516231134450 is a `hidden beast` number, since 1 + 5 + 162 + 3 + 11 + 34 + 450 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 280832851 + ... + 280838249.

It is an arithmetic number, because the mean of its divisors is an integer number (14761164600).

Almost surely, 2^{1516231134450} is an apocalyptic number.

1516231134450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1516231134450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2125607702400).

1516231134450 is an abundant number, since it is smaller than the sum of its proper divisors (2734984270350).

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

1516231134450 is a wasteful number, since it uses less digits than its factorization.

1516231134450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 1516231134450 in words is "one trillion, five hundred sixteen billion, two hundred thirty-one million, one hundred thirty-four thousand, four hundred fifty".