105504030021342 has 16 divisors (see below), whose sum is σ = 211056489762192. Its totient is φ = 35159938387200.

The previous prime is 105504030021331. The next prime is 105504030021367. The reversal of 105504030021342 is 243120030405501.

It is a super-2 number, since 2×105504030021342² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017876659 + ... + 2017928942.

It is an arithmetic number, because the mean of its divisors is an integer number (13191030610137).

Almost surely, 2^{105504030021342} is an apocalyptic number.

105504030021342 is an abundant number, since it is smaller than the sum of its proper divisors (105552459740850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105504030021342 is a wasteful number, since it uses less digits than its factorization.

105504030021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035809963.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 105504030021342 its reverse (243120030405501), we get a palindrome (348624060426843).

The spelling of 105504030021342 in words is "one hundred five trillion, five hundred four billion, thirty million, twenty-one thousand, three hundred forty-two".