2116531052 has 6 divisors (see below), whose sum is σ = 3703929348. Its totient is φ = 1058265524.

The previous prime is 2116531051. The next prime is 2116531057. The reversal of 2116531052 is 2501356112.

It is not an unprimeable number, because it can be changed into a prime (2116531051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264566378 + ... + 264566385.

It is an arithmetic number, because the mean of its divisors is an integer number (617321558).

Almost surely, 2^2116531052 is an apocalyptic number.

It is an amenable number.

2116531052 is a deficient number, since it is larger than the sum of its proper divisors (1587398296).

2116531052 is a wasteful number, since it uses less digits than its factorization.

2116531052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529132767 (or 529132765 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2116531052 is about 46005.7719422248. The cubic root of 2116531052 is about 1283.9305958804.

Adding to 2116531052 its reverse (2501356112), we get a palindrome (4617887164).

The spelling of 2116531052 in words is "two billion, one hundred sixteen million, five hundred thirty-one thousand, fifty-two".