2154052115 has 8 divisors (see below), whose sum is σ = 2585937840. Its totient is φ = 1722524832.

The previous prime is 2154052091. The next prime is 2154052163. The reversal of 2154052115 is 5112504512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2154052115 - 2¹⁴ = 2154035731 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76205 + ... + 100574.

It is an arithmetic number, because the mean of its divisors is an integer number (323242230).

Almost surely, 2^2154052115 is an apocalyptic number.

2154052115 is a deficient number, since it is larger than the sum of its proper divisors (431885725).

2154052115 is a wasteful number, since it uses less digits than its factorization.

2154052115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179221.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2154052115 is about 46411.7669885558. The cubic root of 2154052115 is about 1291.4732112539.

Adding to 2154052115 its reverse (5112504512), we get a palindrome (7266556627).

The spelling of 2154052115 in words is "two billion, one hundred fifty-four million, fifty-two thousand, one hundred fifteen".