2115445112 has 32 divisors (see below), whose sum is σ = 4352987520. Its totient is φ = 955801440.

The previous prime is 2115445097. The next prime is 2115445117.

It is a happy number.

2115445112 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115445117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57278 + ... + 86669.

It is an arithmetic number, because the mean of its divisors is an integer number (136030860).

Almost surely, 2^2115445112 is an apocalyptic number.

2115445112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2115445112 is an abundant number, since it is smaller than the sum of its proper divisors (2237542408).

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

2115445112 is a wasteful number, since it uses less digits than its factorization.

2115445112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144131 (or 144127 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 2115445112 is about 45993.9682132342. The cubic root of 2115445112 is about 1283.7109739172.

It can be divided in two parts, 21154 and 45112, that added together give a palindrome (66266).

The spelling of 2115445112 in words is "two billion, one hundred fifteen million, four hundred forty-five thousand, one hundred twelve".