2148055915 has 16 divisors (see below), whose sum is σ = 2603937600. Its totient is φ = 1700963712.

The previous prime is 2148055913. The next prime is 2148056003. The reversal of 2148055915 is 5195508412.

It is a cyclic number.

It is not a de Polignac number, because 2148055915 - 2¹ = 2148055913 is a prime.

It is a super-2 number, since 2×2148055915² = 9228288427932974450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148055913) by changing a digit.

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, 1052466 + ... + 1054504.

It is an arithmetic number, because the mean of its divisors is an integer number (162746100).

Almost surely, 2^2148055915 is an apocalyptic number.

2148055915 is a deficient number, since it is larger than the sum of its proper divisors (455881685).

2148055915 is a wasteful number, since it uses less digits than its factorization.

2148055915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086.

The product of its (nonzero) digits is 72000, while the sum is 40.

The square root of 2148055915 is about 46347.1241286879. The cubic root of 2148055915 is about 1290.2737465642.

The spelling of 2148055915 in words is "two billion, one hundred forty-eight million, fifty-five thousand, nine hundred fifteen".