10505215010 has 32 divisors (see below), whose sum is σ = 19433917440. Its totient is φ = 4085681472.

The previous prime is 10505215009. The next prime is 10505215013. The reversal of 10505215010 is 1051250501.

It is a happy number.

It is a super-2 number, since 2×10505215010² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505215013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570731 + ... + 588849.

It is an arithmetic number, because the mean of its divisors is an integer number (607309920).

Almost surely, 2^10505215010 is an apocalyptic number.

10505215010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505215010 is a deficient number, since it is larger than the sum of its proper divisors (8928702430).

10505215010 is a wasteful number, since it uses less digits than its factorization.

10505215010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730.

The product of its (nonzero) digits is 250, while the sum is 20.

Adding to 10505215010 its reverse (1051250501), we get a palindrome (11556465511).

The spelling of 10505215010 in words is "ten billion, five hundred five million, two hundred fifteen thousand, ten".