2115503412 has 48 divisors (see below), whose sum is σ = 5412318912. Its totient is φ = 637799680.

The previous prime is 2115503381. The next prime is 2115503441. The reversal of 2115503412 is 2143055112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14673 + ... + 66680.

It is an arithmetic number, because the mean of its divisors is an integer number (112756644).

Almost surely, 2^2115503412 is an apocalyptic number.

2115503412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2115503412 is an abundant number, since it is smaller than the sum of its proper divisors (3296815500).

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

2115503412 is a wasteful number, since it uses less digits than its factorization.

2115503412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81568 (or 81566 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2115503412 is about 45994.6019876246. The cubic root of 2115503412 is about 1283.7227664964.

Adding to 2115503412 its reverse (2143055112), we get a palindrome (4258558524).

The spelling of 2115503412 in words is "two billion, one hundred fifteen million, five hundred three thousand, four hundred twelve".