1215841850496 has 1280 divisors, whose sum is σ = 4758664458240. Its totient is φ = 299356839936.

The previous prime is 1215841850429. The next prime is 1215841850513. The reversal of 1215841850496 is 6940581485121.

1215841850496 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 8 + 41 + 8 + 504 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 933108981 + ... + 933110283.

It is an arithmetic number, because the mean of its divisors is an integer number (3717706608).

Almost surely, 2^{1215841850496} is an apocalyptic number.

1215841850496 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 1215841850496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379332229120).

1215841850496 is an abundant number, since it is smaller than the sum of its proper divisors (3542822607744).

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

1215841850496 is a wasteful number, since it uses less digits than its factorization.

1215841850496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 1215841850496 in words is "one trillion, two hundred fifteen billion, eight hundred forty-one million, eight hundred fifty thousand, four hundred ninety-six".