1161058020 has 24 divisors (see below), whose sum is σ = 3250962624. Its totient is φ = 309615456.

The previous prime is 1161058001. The next prime is 1161058091. The reversal of 1161058020 is 208501611.

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, 9675424 + ... + 9675543.

It is an arithmetic number, because the mean of its divisors is an integer number (135456776).

Almost surely, 2^1161058020 is an apocalyptic number.

1161058020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161058020 is an abundant number, since it is smaller than the sum of its proper divisors (2089904604).

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

1161058020 is a wasteful number, since it uses less digits than its factorization.

1161058020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19350979 (or 19350977 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1161058020 is about 34074.3014601914. The cubic root of 1161058020 is about 1051.0369257620.

Adding to 1161058020 its reverse (208501611), we get a palindrome (1369559631).

The spelling of 1161058020 in words is "one billion, one hundred sixty-one million, fifty-eight thousand, twenty".