2115324988 has 24 divisors (see below), whose sum is σ = 4259052000. Its totient is φ = 900481728.

The previous prime is 2115324979. The next prime is 2115324997. The reversal of 2115324988 is 8894235112.

It is an interprime number because it is at equal distance from previous prime (2115324979) and next prime (2115324997).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249343 + ... + 257686.

It is an arithmetic number, because the mean of its divisors is an integer number (177460500).

Almost surely, 2^2115324988 is an apocalyptic number.

2115324988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2115324988 is an abundant number, since it is smaller than the sum of its proper divisors (2143727012).

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

2115324988 is a wasteful number, since it uses less digits than its factorization.

2115324988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507189 (or 507187 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 2115324988 is about 45992.6623278105. The cubic root of 2115324988 is about 1283.6866752617.

The spelling of 2115324988 in words is "two billion, one hundred fifteen million, three hundred twenty-four thousand, nine hundred eighty-eight".