2115343128 has 32 divisors (see below), whose sum is σ = 5300944560. Its totient is φ = 703436160.

The previous prime is 2115343123. The next prime is 2115343129. The reversal of 2115343128 is 8213435112.

It is a junction number, because it is equal to n+sod(n) for n = 2115343095 and 2115343104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115343123) 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, 94575 + ... + 114782.

Almost surely, 2^2115343128 is an apocalyptic number.

It is an amenable number.

2115343128 is an abundant number, since it is smaller than the sum of its proper divisors (3185601432).

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

2115343128 is a wasteful number, since it uses less digits than its factorization.

2115343128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209787 (or 209783 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 2115343128 is about 45992.8595327579. The cubic root of 2115343128 is about 1283.6903446757.

The spelling of 2115343128 in words is "two billion, one hundred fifteen million, three hundred forty-three thousand, one hundred twenty-eight".