105020639510 has 8 divisors (see below), whose sum is σ = 189037151136. Its totient is φ = 42008255800.

The previous prime is 105020639459. The next prime is 105020639551. The reversal of 105020639510 is 15936020501.

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

It is a super-2 number, since 2×105020639510² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5251031966 + ... + 5251031985.

It is an arithmetic number, because the mean of its divisors is an integer number (23629643892).

Almost surely, 2^105020639510 is an apocalyptic number.

105020639510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105020639510 is a deficient number, since it is larger than the sum of its proper divisors (84016511626).

105020639510 is a wasteful number, since it uses less digits than its factorization.

105020639510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502063958.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 105020639510 in words is "one hundred five billion, twenty million, six hundred thirty-nine thousand, five hundred ten".