2215105512 has 64 divisors (see below), whose sum is σ = 5586235200. Its totient is φ = 731934720.

The previous prime is 2215105511. The next prime is 2215105549. The reversal of 2215105512 is 2155015122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2215105511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819528 + ... + 1820744.

It is an arithmetic number, because the mean of its divisors is an integer number (87284925).

Almost surely, 2^2215105512 is an apocalyptic number.

It is an amenable number.

2215105512 is an abundant number, since it is smaller than the sum of its proper divisors (3371129688).

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

2215105512 is a wasteful number, since it uses less digits than its factorization.

2215105512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 2215105512 is about 47064.9074364329. The cubic root of 2215105512 is about 1303.5613417213.

The spelling of 2215105512 in words is "two billion, two hundred fifteen million, one hundred five thousand, five hundred twelve".