5211505365 has 16 divisors (see below), whose sum is σ = 9096446016. Its totient is φ = 2526790400.

The previous prime is 5211505339. The next prime is 5211505381. The reversal of 5211505365 is 5635051125.

It is not a de Polignac number, because 5211505365 - 2⁷ = 5211505237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15792276 + ... + 15792605.

It is an arithmetic number, because the mean of its divisors is an integer number (568527876).

Almost surely, 2^5211505365 is an apocalyptic number.

5211505365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5211505365 is a deficient number, since it is larger than the sum of its proper divisors (3884940651).

5211505365 is a wasteful number, since it uses less digits than its factorization.

5211505365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31584900.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 5211505365 is about 72190.7567836770. The cubic root of 5211505365 is about 1733.7550126889.

The spelling of 5211505365 in words is "five billion, two hundred eleven million, five hundred five thousand, three hundred sixty-five".