2101115748 has 24 divisors (see below), whose sum is σ = 5190992352. Its totient is φ = 659173504.

The previous prime is 2101115717. The next prime is 2101115749. The reversal of 2101115748 is 8475111012.

It is not an unprimeable number, because it can be changed into a prime (2101115749) 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, 5149590 + ... + 5149997.

It is an arithmetic number, because the mean of its divisors is an integer number (216291348).

Almost surely, 2^2101115748 is an apocalyptic number.

It is an amenable number.

2101115748 is an abundant number, since it is smaller than the sum of its proper divisors (3089876604).

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

2101115748 is a wasteful number, since it uses less digits than its factorization.

2101115748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10299611 (or 10299609 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 2101115748 is about 45837.9291417053. The cubic root of 2101115748 is about 1280.8059190624.

The spelling of 2101115748 in words is "two billion, one hundred one million, one hundred fifteen thousand, seven hundred forty-eight".