1158771976320 has 192 divisors, whose sum is σ = 4296620419200. Its totient is φ = 264862144512.

The previous prime is 1158771976291. The next prime is 1158771976321. The reversal of 1158771976320 is 236791778511.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (1158771976321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6064360 + ... + 6252519.

It is an arithmetic number, because the mean of its divisors is an integer number (22378231350).

Almost surely, 2^{1158771976320} is an apocalyptic number.

1158771976320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158771976320 is an abundant number, since it is smaller than the sum of its proper divisors (3137848442880).

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

1158771976320 is a wasteful number, since it uses less digits than its factorization.

1158771976320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316915 (or 12316896 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 1158771976320 in words is "one trillion, one hundred fifty-eight billion, seven hundred seventy-one million, nine hundred seventy-six thousand, three hundred twenty".