1158034635252 has 120 divisors (see below), whose sum is σ = 3303687939552. Its totient is φ = 350797953600.

The previous prime is 1158034635239. The next prime is 1158034635253. The reversal of 1158034635252 is 2525364308511.

It is a happy number.

1158034635252 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 0 + 3 + 4 + 635 + 2 + 5 + 2 = 666.

It is a super-2 number, since 2×1158034635252² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158034635198 and 1158034635207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158034635253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10505302 + ... + 10614962.

Almost surely, 2^{1158034635252} is an apocalyptic number.

1158034635252 is a gapful number since it is divisible by the number (12) 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 1158034635252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651843969776).

1158034635252 is an abundant number, since it is smaller than the sum of its proper divisors (2145653304300).

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

1158034635252 is a wasteful number, since it uses less digits than its factorization.

1158034635252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112651 (or 112640 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 1158034635252 in words is "one trillion, one hundred fifty-eight billion, thirty-four million, six hundred thirty-five thousand, two hundred fifty-two".