2005757155 has 8 divisors (see below), whose sum is σ = 2548491552. Its totient is φ = 1510217088.

The previous prime is 2005757147. The next prime is 2005757183. The reversal of 2005757155 is 5517575002.

It is a happy number.

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 2005757155 - 2³ = 2005757147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11798487 + ... + 11798656.

It is an arithmetic number, because the mean of its divisors is an integer number (318561444).

Almost surely, 2^2005757155 is an apocalyptic number.

2005757155 is a deficient number, since it is larger than the sum of its proper divisors (542734397).

2005757155 is a wasteful number, since it uses less digits than its factorization.

2005757155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23597165.

The product of its (nonzero) digits is 61250, while the sum is 37.

The square root of 2005757155 is about 44785.6802449176. The cubic root of 2005757155 is about 1261.1288185452.

The spelling of 2005757155 in words is "two billion, five million, seven hundred fifty-seven thousand, one hundred fifty-five".