10505105570 has 32 divisors (see below), whose sum is σ = 19017533808. Its totient is φ = 4178019328.

The previous prime is 10505105519. The next prime is 10505105587. The reversal of 10505105570 is 7550150501.

It can be written as a sum of positive squares in 8 ways, for example, as 1013085241 + 9492020329 = 31829^2 + 97427^2 .

It is a super-2 number, since 2×10505105570² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854182 + ... + 1859838.

Almost surely, 2^10505105570 is an apocalyptic number.

10505105570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505105570 is a deficient number, since it is larger than the sum of its proper divisors (8512428238).

10505105570 is a wasteful number, since it uses less digits than its factorization.

10505105570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694.

The product of its (nonzero) digits is 4375, while the sum is 29.

The spelling of 10505105570 in words is "ten billion, five hundred five million, one hundred five thousand, five hundred seventy".