1161106038 has 48 divisors (see below), whose sum is σ = 2578592016. Its totient is φ = 377395200.

The previous prime is 1161106003. The next prime is 1161106039. The reversal of 1161106038 is 8306011611.

1161106038 is a `hidden beast` number, since 11 + 611 + 0 + 6 + 0 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161106039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724438 + ... + 726038.

It is an arithmetic number, because the mean of its divisors is an integer number (53720667).

Almost surely, 2^1161106038 is an apocalyptic number.

1161106038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1161106038 is an abundant number, since it is smaller than the sum of its proper divisors (1417485978).

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

1161106038 is a wasteful number, since it uses less digits than its factorization.

1161106038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1161106038 is about 34075.0060601609. The cubic root of 1161106038 is about 1051.0514148442.

Adding to 1161106038 its reverse (8306011611), we get a palindrome (9467117649).

The spelling of 1161106038 in words is "one billion, one hundred sixty-one million, one hundred six thousand, thirty-eight".