105520325550542 has 64 divisors (see below), whose sum is σ = 185263777898496. Its totient is φ = 44135522818560.

The previous prime is 105520325550449. The next prime is 105520325550547. The reversal of 105520325550542 is 245055523025501.

It is a happy number.

It is a super-2 number, since 2×105520325550542² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105520325550493 and 105520325550502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105520325550547) 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, 3182044442 + ... + 3182077602.

It is an arithmetic number, because the mean of its divisors is an integer number (2894746529664).

Almost surely, 2^{105520325550542} is an apocalyptic number.

105520325550542 is a deficient number, since it is larger than the sum of its proper divisors (79743452347954).

105520325550542 is a wasteful number, since it uses less digits than its factorization.

105520325550542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46761.

The product of its (nonzero) digits is 1500000, while the sum is 44.

The spelling of 105520325550542 in words is "one hundred five trillion, five hundred twenty billion, three hundred twenty-five million, five hundred fifty thousand, five hundred forty-two".