1161013032 has 48 divisors (see below), whose sum is σ = 3149396640. Its totient is φ = 386390688.

The previous prime is 1161013027. The next prime is 1161013081. The reversal of 1161013032 is 2303101611.

1161013032 is a `hidden beast` number, since 11 + 610 + 13 + 0 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1161012996 and 1161013014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34123 + ... + 59045.

It is an arithmetic number, because the mean of its divisors is an integer number (65612430).

Almost surely, 2^1161013032 is an apocalyptic number.

1161013032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1161013032 is an abundant number, since it is smaller than the sum of its proper divisors (1988383608).

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

1161013032 is a wasteful number, since it uses less digits than its factorization.

1161013032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25582 (or 25575 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1161013032 is about 34073.6413082019. The cubic root of 1161013032 is about 1051.0233505977.

Adding to 1161013032 its reverse (2303101611), we get a palindrome (3464114643).

It can be divided in two parts, 11610 and 13032, that added together give a palindrome (24642).

The spelling of 1161013032 in words is "one billion, one hundred sixty-one million, thirteen thousand, thirty-two".