2115505 has 8 divisors (see below), whose sum is σ = 2901312. Its totient is φ = 1450608.

The previous prime is 2115499. The next prime is 2115511. The reversal of 2115505 is 5055112.

It is an interprime number because it is at equal distance from previous prime (2115499) and next prime (2115511).

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 2115505 - 2¹⁵ = 2082737 is a prime.

It is a super-2 number, since 2×2115505² = 8950722810050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian 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, 30187 + ... + 30256.

It is an arithmetic number, because the mean of its divisors is an integer number (362664).

2^2115505 is an apocalyptic number.

It is an amenable number.

2115505 is a deficient number, since it is larger than the sum of its proper divisors (785807).

2115505 is an equidigital number, since it uses as much as digits as its factorization.

2115505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60455.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 2115505 is about 1454.4775694386. The cubic root of 2115505 is about 128.3723087705.

The spelling of 2115505 in words is "two million, one hundred fifteen thousand, five hundred five".