1158101140 has 48 divisors (see below), whose sum is σ = 2781846144. Its totient is φ = 396720000.

The previous prime is 1158101137. The next prime is 1158101143. The reversal of 1158101140 is 411018511.

It is an interprime number because it is at equal distance from previous prime (1158101137) and next prime (1158101143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158101143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200290 + ... + 205990.

It is an arithmetic number, because the mean of its divisors is an integer number (57955128).

Almost surely, 2^1158101140 is an apocalyptic number.

1158101140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158101140 is an abundant number, since it is smaller than the sum of its proper divisors (1623745004).

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

1158101140 is a wasteful number, since it uses less digits than its factorization.

1158101140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7168 (or 7166 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 22.

The square root of 1158101140 is about 34030.8850898709. The cubic root of 1158101140 is about 1050.1439379395.

Adding to 1158101140 its reverse (411018511), we get a palindrome (1569119651).

The spelling of 1158101140 in words is "one billion, one hundred fifty-eight million, one hundred one thousand, one hundred forty".