1158956836480 has 64 divisors (see below), whose sum is σ = 2770987559400. Its totient is φ = 463523106816.

The previous prime is 1158956836451. The next prime is 1158956836487. The reversal of 1158956836480 is 846386598511.

It can be written as a sum of positive squares in 4 ways, for example, as 1154902712896 + 4054123584 = 1074664^2 + 63672^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (1158956836487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5041486 + ... + 5266354.

Almost surely, 2^{1158956836480} is an apocalyptic number.

1158956836480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158956836480 is an abundant number, since it is smaller than the sum of its proper divisors (1612030722920).

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

1158956836480 is an equidigital number, since it uses as much as digits as its factorization.

1158956836480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232941 (or 232929 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 64.

The spelling of 1158956836480 in words is "one trillion, one hundred fifty-eight billion, nine hundred fifty-six million, eight hundred thirty-six thousand, four hundred eighty".