1157981108368 has 20 divisors (see below), whose sum is σ = 2564101025920. Its totient is φ = 496277617824.

The previous prime is 1157981108309. The next prime is 1157981108423. The reversal of 1157981108368 is 8638011897511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5169558408 + ... + 5169558631.

It is an arithmetic number, because the mean of its divisors is an integer number (128205051296).

Almost surely, 2^{1157981108368} is an apocalyptic number.

It is an amenable number.

1157981108368 is an abundant number, since it is smaller than the sum of its proper divisors (1406119917552).

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

1157981108368 is a wasteful number, since it uses less digits than its factorization.

1157981108368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339117054 (or 10339117048 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 58.

The spelling of 1157981108368 in words is "one trillion, one hundred fifty-seven billion, nine hundred eighty-one million, one hundred eight thousand, three hundred sixty-eight".