105202340202355 has 32 divisors (see below), whose sum is σ = 138599654581440. Its totient is φ = 76021798993920.

The previous prime is 105202340202319. The next prime is 105202340202359. The reversal of 105202340202355 is 553202043202501.

It is not a de Polignac number, because 105202340202355 - 2²¹ = 105202338105203 is a prime.

It is a super-2 number, since 2×105202340202355² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105202340202355.

It is not an unprimeable number, because it can be changed into a prime (105202340202359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505362931 + ... + 505571059.

It is an arithmetic number, because the mean of its divisors is an integer number (4331239205670).

Almost surely, 2^{105202340202355} is an apocalyptic number.

105202340202355 is a deficient number, since it is larger than the sum of its proper divisors (33397314379085).

105202340202355 is a wasteful number, since it uses less digits than its factorization.

105202340202355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266839.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 105202340202355 its reverse (553202043202501), we get a palindrome (658404383404856).

The spelling of 105202340202355 in words is "one hundred five trillion, two hundred two billion, three hundred forty million, two hundred two thousand, three hundred fifty-five".