1147807916544 has 320 divisors, whose sum is σ = 3329706885120. Its totient is φ = 350023680000.

The previous prime is 1147807916539. The next prime is 1147807916557. The reversal of 1147807916544 is 4456197087411.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543726049 + ... + 543728159.

It is an arithmetic number, because the mean of its divisors is an integer number (10405334016).

Almost surely, 2^{1147807916544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147807916544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664853442560).

1147807916544 is an abundant number, since it is smaller than the sum of its proper divisors (2181898968576).

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

1147807916544 is a wasteful number, since it uses less digits than its factorization.

1147807916544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 1147807916544 in words is "one trillion, one hundred forty-seven billion, eight hundred seven million, nine hundred sixteen thousand, five hundred forty-four".