105520573477 has 8 divisors (see below), whose sum is σ = 118826687232. Its totient is φ = 92833348800.

The previous prime is 105520573447. The next prime is 105520573481. The reversal of 105520573477 is 774375025501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105520573477 is a prime.

It is a super-2 number, since 2×105520573477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105520573447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154721908 + ... + 154722589.

It is an arithmetic number, because the mean of its divisors is an integer number (14853335904).

Almost surely, 2^105520573477 is an apocalyptic number.

It is an amenable number.

105520573477 is a deficient number, since it is larger than the sum of its proper divisors (13306113755).

105520573477 is a wasteful number, since it uses less digits than its factorization.

105520573477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309444539.

The product of its (nonzero) digits is 1029000, while the sum is 46.

Adding to 105520573477 its reverse (774375025501), we get a palindrome (879895598978).

The spelling of 105520573477 in words is "one hundred five billion, five hundred twenty million, five hundred seventy-three thousand, four hundred seventy-seven".