1158536284672 has 240 divisors, whose sum is σ = 2690620166520. Its totient is φ = 496315662336.

The previous prime is 1158536284643. The next prime is 1158536284687. The reversal of 1158536284672 is 2764826358511.

It can be written as a sum of positive squares in 12 ways, for example, as 29468528896 + 1129067755776 = 171664^2 + 1062576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107375854 + ... + 107386642.

Almost surely, 2^{1158536284672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158536284672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345310083260).

1158536284672 is an abundant number, since it is smaller than the sum of its proper divisors (1532083881848).

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

1158536284672 is a wasteful number, since it uses less digits than its factorization.

1158536284672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923 (or 10894 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 58.

The spelling of 1158536284672 in words is "one trillion, one hundred fifty-eight billion, five hundred thirty-six million, two hundred eighty-four thousand, six hundred seventy-two".