10500523994 has 32 divisors (see below), whose sum is σ = 16836512256. Its totient is φ = 4894444800.

The previous prime is 10500523993. The next prime is 10500524051. The reversal of 10500523994 is 49932500501.

It is a super-2 number, since 2×10500523994² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10500523993) 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, 1881392 + ... + 1886964.

It is an arithmetic number, because the mean of its divisors is an integer number (526141008).

Almost surely, 2^10500523994 is an apocalyptic number.

10500523994 is a deficient number, since it is larger than the sum of its proper divisors (6335988262).

10500523994 is a wasteful number, since it uses less digits than its factorization.

10500523994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 10500523994 in words is "ten billion, five hundred million, five hundred twenty-three thousand, nine hundred ninety-four".