1331150247856 has 320 divisors, whose sum is σ = 3224385626112. Its totient is φ = 523975680000.

The previous prime is 1331150247839. The next prime is 1331150247877. The reversal of 1331150247856 is 6587420511331.

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, 485642646 + ... + 485645386.

Almost surely, 2^{1331150247856} is an apocalyptic number.

1331150247856 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 1331150247856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612192813056).

1331150247856 is an abundant number, since it is smaller than the sum of its proper divisors (1893235378256).

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

1331150247856 is a wasteful number, since it uses less digits than its factorization.

1331150247856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 1331150247856 in words is "one trillion, three hundred thirty-one billion, one hundred fifty million, two hundred forty-seven thousand, eight hundred fifty-six".