2155536365 has 8 divisors (see below), whose sum is σ = 2587831008. Its totient is φ = 1723637520.

The previous prime is 2155536353. The next prime is 2155536371. The reversal of 2155536365 is 5636355512.

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

It is not a de Polignac number, because 2155536365 - 2¹⁰ = 2155535341 is a prime.

It is a Duffinian number.

It is a congruent 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, 86831 + ... + 108860.

It is an arithmetic number, because the mean of its divisors is an integer number (323478876).

Almost surely, 2^2155536365 is an apocalyptic number.

It is an amenable number.

2155536365 is a deficient number, since it is larger than the sum of its proper divisors (432294643).

2155536365 is a wasteful number, since it uses less digits than its factorization.

2155536365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197899.

The product of its digits is 405000, while the sum is 41.

The square root of 2155536365 is about 46427.7542532481. The cubic root of 2155536365 is about 1291.7697730990.

The spelling of 2155536365 in words is "two billion, one hundred fifty-five million, five hundred thirty-six thousand, three hundred sixty-five".