2115332280 has 64 divisors (see below), whose sum is σ = 7051111200. Its totient is φ = 564088320.

The previous prime is 2115332267. The next prime is 2115332293. The reversal of 2115332280 is 822335112.

2115332280 is a `hidden beast` number, since 211 + 53 + 322 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (2115332267) and next prime (2115332293).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978241 + ... + 980400.

Almost surely, 2^2115332280 is an apocalyptic number.

2115332280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115332280 is an abundant number, since it is smaller than the sum of its proper divisors (4935778920).

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

2115332280 is a wasteful number, since it uses less digits than its factorization.

2115332280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958661 (or 1958651 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2115332280 is about 45992.7416012570. The cubic root of 2115332280 is about 1283.6881503120.

Adding to 2115332280 its reverse (822335112), we get a palindrome (2937667392).

The spelling of 2115332280 in words is "two billion, one hundred fifteen million, three hundred thirty-two thousand, two hundred eighty".