1158009958220 has 24 divisors (see below), whose sum is σ = 2436773725008. Its totient is φ = 462260590400.

The previous prime is 1158009958153. The next prime is 1158009958247. The reversal of 1158009958220 is 228599008511.

It is a super-2 number, since 2×1158009958220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58951991 + ... + 58971630.

It is an arithmetic number, because the mean of its divisors is an integer number (101532238542).

Almost surely, 2^{1158009958220} is an apocalyptic number.

1158009958220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158009958220 is an abundant number, since it is smaller than the sum of its proper divisors (1278763766788).

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

1158009958220 is a wasteful number, since it uses less digits than its factorization.

1158009958220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117924121 (or 117924119 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 50.

The spelling of 1158009958220 in words is "one trillion, one hundred fifty-eight billion, nine million, nine hundred fifty-eight thousand, two hundred twenty".