1158541002 has 64 divisors (see below), whose sum is σ = 2659599360. Its totient is φ = 373594032.

The previous prime is 1158541001. The next prime is 1158541049. The reversal of 1158541002 is 2001458511.

1158541002 is a `hidden beast` number, since 115 + 8 + 541 + 0 + 0 + 2 = 666.

1158541002 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1158541001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246123 + ... + 250785.

It is an arithmetic number, because the mean of its divisors is an integer number (41556240).

Almost surely, 2^1158541002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158541002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329799680).

1158541002 is an abundant number, since it is smaller than the sum of its proper divisors (1501058358).

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

1158541002 is a wasteful number, since it uses less digits than its factorization.

1158541002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824 (or 4818 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 1158541002 is about 34037.3471645485. The cubic root of 1158541002 is about 1050.2768739236.

Adding to 1158541002 its reverse (2001458511), we get a palindrome (3159999513).

The spelling of 1158541002 in words is "one billion, one hundred fifty-eight million, five hundred forty-one thousand, two".