11395420165 has 8 divisors (see below), whose sum is σ = 13675205880. Its totient is φ = 9115868352.

The previous prime is 11395420159. The next prime is 11395420261. The reversal of 11395420165 is 56102459311.

It can be written as a sum of positive squares in 4 ways, for example, as 1395620164 + 9999800001 = 37358^2 + 99999^2 .

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 11395420165 - 2¹⁷ = 11395289093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77427 + ... + 169663.

It is an arithmetic number, because the mean of its divisors is an integer number (1709400735).

Almost surely, 2^11395420165 is an apocalyptic number.

It is an amenable number.

11395420165 is a deficient number, since it is larger than the sum of its proper divisors (2279785715).

11395420165 is an equidigital number, since it uses as much as digits as its factorization.

11395420165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116951.

The product of its (nonzero) digits is 32400, while the sum is 37.

Adding to 11395420165 its reverse (56102459311), we get a palindrome (67497879476).

The spelling of 11395420165 in words is "eleven billion, three hundred ninety-five million, four hundred twenty thousand, one hundred sixty-five".