105211022113455 has 16 divisors (see below), whose sum is σ = 168338675478624. Its totient is φ = 56112198428160.

The previous prime is 105211022113447. The next prime is 105211022113487. The reversal of 105211022113455 is 554311220112501.

It is not a de Polignac number, because 105211022113455 - 2³ = 105211022113447 is a prime.

It is a super-2 number, since 2×105211022113455² (a number of 29 digits) contains 22 as substring.

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, 19150606 + ... + 24024315.

It is an arithmetic number, because the mean of its divisors is an integer number (10521167217414).

Almost surely, 2^{105211022113455} is an apocalyptic number.

105211022113455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105211022113455 is a deficient number, since it is larger than the sum of its proper divisors (63127653365169).

105211022113455 is a wasteful number, since it uses less digits than its factorization.

105211022113455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43337386.

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 105211022113455 its reverse (554311220112501), we get a palindrome (659522242225956).

The spelling of 105211022113455 in words is "one hundred five trillion, two hundred eleven billion, twenty-two million, one hundred thirteen thousand, four hundred fifty-five".