10505956386 has 16 divisors (see below), whose sum is σ = 21026592864. Its totient is φ = 3499538784.

The previous prime is 10505956367. The next prime is 10505956397. The reversal of 10505956386 is 68365950501.

It is a happy number.

It is a super-2 number, since 2×10505956386² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602356 + ... + 619551.

It is an arithmetic number, because the mean of its divisors is an integer number (1314162054).

Almost surely, 2^10505956386 is an apocalyptic number.

10505956386 is an abundant number, since it is smaller than the sum of its proper divisors (10520636478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505956386 is a wasteful number, since it uses less digits than its factorization.

10505956386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223345.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 10505956386 in words is "ten billion, five hundred five million, nine hundred fifty-six thousand, three hundred eighty-six".