2355664122105 has 64 divisors (see below), whose sum is σ = 4318800076800. Its totient is φ = 1074051853056.

The previous prime is 2355664122079. The next prime is 2355664122137. The reversal of 2355664122105 is 5012214665532.

It is not a de Polignac number, because 2355664122105 - 2⁷ = 2355664121977 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155492071 + ... + 155507219.

It is an arithmetic number, because the mean of its divisors is an integer number (67481251200).

Almost surely, 2^{2355664122105} is an apocalyptic number.

It is an amenable number.

2355664122105 is a deficient number, since it is larger than the sum of its proper divisors (1963135954695).

2355664122105 is a wasteful number, since it uses less digits than its factorization.

2355664122105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18950.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 2355664122105 its reverse (5012214665532), we get a palindrome (7367878787637).

The spelling of 2355664122105 in words is "two trillion, three hundred fifty-five billion, six hundred sixty-four million, one hundred twenty-two thousand, one hundred five".