105200605455 has 32 divisors (see below), whose sum is σ = 184249658880. Its totient is φ = 50832247680.

The previous prime is 105200605397. The next prime is 105200605481. The reversal of 105200605455 is 554506002501.

It is a de Polignac number, because none of the positive numbers 2^k-105200605455 is a prime.

It is a super-2 number, since 2×105200605455² (a number of 23 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1039675 + ... + 1136364.

It is an arithmetic number, because the mean of its divisors is an integer number (5757801840).

Almost surely, 2^105200605455 is an apocalyptic number.

105200605455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105200605455 is a deficient number, since it is larger than the sum of its proper divisors (79049053425).

105200605455 is a wasteful number, since it uses less digits than its factorization.

105200605455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176351.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 105200605455 its reverse (554506002501), we get a palindrome (659706607956).

The spelling of 105200605455 in words is "one hundred five billion, two hundred million, six hundred five thousand, four hundred fifty-five".