1161114102 has 40 divisors (see below), whose sum is σ = 2612728800. Its totient is φ = 385405776.

The previous prime is 1161114091. The next prime is 1161114103. The reversal of 1161114102 is 2014111611.

1161114102 is a `hidden beast` number, since 11 + 611 + 1 + 41 + 0 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161114103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23724 + ... + 53712.

It is an arithmetic number, because the mean of its divisors is an integer number (65318220).

Almost surely, 2^1161114102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161114102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306364400).

1161114102 is an abundant number, since it is smaller than the sum of its proper divisors (1451614698).

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

1161114102 is a wasteful number, since it uses less digits than its factorization.

1161114102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30242 (or 30233 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1161114102 is about 34075.1243871537. The cubic root of 1161114102 is about 1051.0538480584.

Adding to 1161114102 its reverse (2014111611), we get a palindrome (3175225713).

The spelling of 1161114102 in words is "one billion, one hundred sixty-one million, one hundred fourteen thousand, one hundred two".