1158041381560 has 128 divisors (see below), whose sum is σ = 3052660216320. Its totient is φ = 387098030592.

The previous prime is 1158041381551. The next prime is 1158041381599. The reversal of 1158041381560 is 651831408511.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6497962 + ... + 6673798.

It is an arithmetic number, because the mean of its divisors is an integer number (23848907940).

Almost surely, 2^{1158041381560} is an apocalyptic number.

1158041381560 is a gapful number since it is divisible by the number (10) 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 1158041381560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526330108160).

1158041381560 is an abundant number, since it is smaller than the sum of its proper divisors (1894618834760).

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

1158041381560 is a wasteful number, since it uses less digits than its factorization.

1158041381560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176445 (or 176441 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 1158041381560 in words is "one trillion, one hundred fifty-eight billion, forty-one million, three hundred eighty-one thousand, five hundred sixty".