105155442301405 has 24 divisors (see below), whose sum is σ = 131974774067808. Its totient is φ = 80428138793376.

The previous prime is 105155442301331. The next prime is 105155442301409. The reversal of 105155442301405 is 504103244551501.

It is not a de Polignac number, because 105155442301405 - 2¹¹ = 105155442299357 is a prime.

It is a super-2 number, since 2×105155442301405² (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 (105155442301409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4033507 + ... + 15052576.

It is an arithmetic number, because the mean of its divisors is an integer number (5498948919492).

Almost surely, 2^{105155442301405} is an apocalyptic number.

It is an amenable number.

105155442301405 is a deficient number, since it is larger than the sum of its proper divisors (26819331766403).

105155442301405 is a wasteful number, since it uses less digits than its factorization.

105155442301405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19088217 (or 19088194 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 105155442301405 its reverse (504103244551501), we get a palindrome (609258686852906).

The spelling of 105155442301405 in words is "one hundred five trillion, one hundred fifty-five billion, four hundred forty-two million, three hundred one thousand, four hundred five".