105224145256055 has 32 divisors (see below), whose sum is σ = 144616977358848. Its totient is φ = 71999054265600.

The previous prime is 105224145256051. The next prime is 105224145256081. The reversal of 105224145256055 is 550652541422501.

It is not a de Polignac number, because 105224145256055 - 2² = 105224145256051 is a prime.

It is a super-2 number, since 2×105224145256055² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105224145256051) 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, 33668075 + ... + 36660435.

It is an arithmetic number, because the mean of its divisors is an integer number (4519280542464).

Almost surely, 2^{105224145256055} is an apocalyptic number.

105224145256055 is a deficient number, since it is larger than the sum of its proper divisors (39392832102793).

105224145256055 is a wasteful number, since it uses less digits than its factorization.

105224145256055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994527.

The product of its (nonzero) digits is 2400000, while the sum is 47.

Adding to 105224145256055 its reverse (550652541422501), we get a palindrome (655876686678556).

The spelling of 105224145256055 in words is "one hundred five trillion, two hundred twenty-four billion, one hundred forty-five million, two hundred fifty-six thousand, fifty-five".