1158108948 has 48 divisors (see below), whose sum is σ = 3016793920. Its totient is φ = 384199200.

The previous prime is 1158108911. The next prime is 1158108979. The reversal of 1158108948 is 8498018511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623 + ... + 48198.

Almost surely, 2^1158108948 is an apocalyptic number.

1158108948 is a gapful number since it is divisible by the number (18) 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 1158108948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508396960).

1158108948 is an abundant number, since it is smaller than the sum of its proper divisors (1858684972).

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

1158108948 is a wasteful number, since it uses less digits than its factorization.

1158108948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51045 (or 51037 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The square root of 1158108948 is about 34030.9998089977. Note that the first 3 decimals coincide. The cubic root of 1158108948 is about 1050.1462979825.

The spelling of 1158108948 in words is "one billion, one hundred fifty-eight million, one hundred eight thousand, nine hundred forty-eight".