1531734890112 has 512 divisors, whose sum is σ = 5286957350400. Its totient is φ = 427513282560.

The previous prime is 1531734890051. The next prime is 1531734890131. The reversal of 1531734890112 is 2110984371351.

1531734890112 is a `hidden beast` number, since 1 + 53 + 1 + 7 + 3 + 489 + 0 + 112 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309001938 + ... + 309006894.

It is an arithmetic number, because the mean of its divisors is an integer number (10326088575).

Almost surely, 2^{1531734890112} is an apocalyptic number.

1531734890112 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 1531734890112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643478675200).

1531734890112 is an abundant number, since it is smaller than the sum of its proper divisors (3755222460288).

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

1531734890112 is a wasteful number, since it uses less digits than its factorization.

1531734890112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 1531734890112 in words is "one trillion, five hundred thirty-one billion, seven hundred thirty-four million, eight hundred ninety thousand, one hundred twelve".