105211315130450 has 48 divisors (see below), whose sum is σ = 195806117725440. Its totient is φ = 42060215675520.

The previous prime is 105211315130443. The next prime is 105211315130507. The reversal of 105211315130450 is 54031513112501.

It is a super-2 number, since 2×105211315130450² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730678862 + ... + 730822838.

It is an arithmetic number, because the mean of its divisors is an integer number (4079294119280).

Almost surely, 2^{105211315130450} is an apocalyptic number.

105211315130450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105211315130450 is a deficient number, since it is larger than the sum of its proper divisors (90594802594990).

105211315130450 is a wasteful number, since it uses less digits than its factorization.

105211315130450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152331 (or 152326 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 105211315130450 its reverse (54031513112501), we get a palindrome (159242828242951).

The spelling of 105211315130450 in words is "one hundred five trillion, two hundred eleven billion, three hundred fifteen million, one hundred thirty thousand, four hundred fifty".