1158528761280 has 224 divisors, whose sum is σ = 4458580750080. Its totient is φ = 280855434240.

The previous prime is 1158528761263. The next prime is 1158528761281. The reversal of 1158528761280 is 821678258511.

It is a happy number.

1158528761280 is a `hidden beast` number, since 1 + 1 + 5 + 85 + 287 + 6 + 1 + 280 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158528761281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5999914 + ... + 6189993.

Almost surely, 2^{1158528761280} is an apocalyptic number.

1158528761280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158528761280 is an abundant number, since it is smaller than the sum of its proper divisors (3300051988800).

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

1158528761280 is a wasteful number, since it uses less digits than its factorization.

1158528761280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12189944 (or 12189928 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 54.

The spelling of 1158528761280 in words is "one trillion, one hundred fifty-eight billion, five hundred twenty-eight million, seven hundred sixty-one thousand, two hundred eighty".