1161341712 has 240 divisors, whose sum is σ = 3610880000. Its totient is φ = 360277632.

The previous prime is 1161341711. The next prime is 1161341719. The reversal of 1161341712 is 2171431611.

1161341712 is a `hidden beast` number, since 1 + 1 + 613 + 41 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1161341711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5835789 + ... + 5835987.

Almost surely, 2^1161341712 is an apocalyptic number.

1161341712 is a gapful number since it is divisible by the number (12) 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 1161341712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805440000).

1161341712 is an abundant number, since it is smaller than the sum of its proper divisors (2449538288).

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

1161341712 is a wasteful number, since it uses less digits than its factorization.

1161341712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 302 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1161341712 is about 34078.4640498952. The cubic root of 1161341712 is about 1051.1225219684.

The spelling of 1161341712 in words is "one billion, one hundred sixty-one million, three hundred forty-one thousand, seven hundred twelve".