105134521052 has 48 divisors (see below), whose sum is σ = 205724534400. Its totient is φ = 46608936000.

The previous prime is 105134521049. The next prime is 105134521073. The reversal of 105134521052 is 250125431501.

It is a super-2 number, since 2×105134521052² (a number of 23 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121199 + ... + 474297.

It is an arithmetic number, because the mean of its divisors is an integer number (4285927800).

Almost surely, 2^105134521052 is an apocalyptic number.

It is an amenable number.

105134521052 is a deficient number, since it is larger than the sum of its proper divisors (100590013348).

105134521052 is a wasteful number, since it uses less digits than its factorization.

105134521052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353282 (or 353280 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 105134521052 its reverse (250125431501), we get a palindrome (355259952553).

The spelling of 105134521052 in words is "one hundred five billion, one hundred thirty-four million, five hundred twenty-one thousand, fifty-two".