105504131020135 has 8 divisors (see below), whose sum is σ = 127858471652736. Its totient is φ = 83567628530400.

The previous prime is 105504131020109. The next prime is 105504131020231. The reversal of 105504131020135 is 531020131405501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105504131020135 - 2¹³ = 105504131011943 is a prime.

It is a super-2 number, since 2×105504131020135² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105504131020097 and 105504131020106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104459535159 + ... + 104459536168.

It is an arithmetic number, because the mean of its divisors is an integer number (15982308956592).

Almost surely, 2^{105504131020135} is an apocalyptic number.

105504131020135 is a deficient number, since it is larger than the sum of its proper divisors (22354340632601).

105504131020135 is a wasteful number, since it uses less digits than its factorization.

105504131020135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208919071433.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 105504131020135 its reverse (531020131405501), we get a palindrome (636524262425636).

The spelling of 105504131020135 in words is "one hundred five trillion, five hundred four billion, one hundred thirty-one million, twenty thousand, one hundred thirty-five".