2113156052 has 24 divisors (see below), whose sum is σ = 4324600896. Its totient is φ = 884576448.

The previous prime is 2113156051. The next prime is 2113156091. The reversal of 2113156052 is 2506513112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113156051) 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 in 7 ways as a sum of consecutive naturals, for example, 876353 + ... + 878760.

It is an arithmetic number, because the mean of its divisors is an integer number (180191704).

Almost surely, 2^2113156052 is an apocalyptic number.

It is an amenable number.

2113156052 is an abundant number, since it is smaller than the sum of its proper divisors (2211444844).

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

2113156052 is a wasteful number, since it uses less digits than its factorization.

2113156052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755167 (or 1755165 counting only the distinct ones).

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

The square root of 2113156052 is about 45969.0771279999. The cubic root of 2113156052 is about 1283.2477850359.

Adding to 2113156052 its reverse (2506513112), we get a palindrome (4619669164).

The spelling of 2113156052 in words is "two billion, one hundred thirteen million, one hundred fifty-six thousand, fifty-two".