105542406501550 has 24 divisors (see below), whose sum is σ = 196661315778696. Its totient is φ = 42141169119840.

The previous prime is 105542406501523. The next prime is 105542406501559. The reversal of 105542406501550 is 55105604245501.

It is a super-2 number, since 2×105542406501550² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105542406501497 and 105542406501506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105542406501559) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1894808892 + ... + 1894864591.

It is an arithmetic number, because the mean of its divisors is an integer number (8194221490779).

Almost surely, 2^{105542406501550} is an apocalyptic number.

105542406501550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105542406501550 is a deficient number, since it is larger than the sum of its proper divisors (91118909277146).

105542406501550 is a wasteful number, since it uses less digits than its factorization.

105542406501550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789674052 (or 3789674047 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 105542406501550 in words is "one hundred five trillion, five hundred forty-two billion, four hundred six million, five hundred one thousand, five hundred fifty".