10500655506066 has 48 divisors (see below), whose sum is σ = 24820164278208. Its totient is φ = 3181961296800.

The previous prime is 10500655505999. The next prime is 10500655506067. The reversal of 10500655506066 is 66060555600501.

It is a super-2 number, since 2×10500655506066² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10500655506067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11721435 + ... + 12585441.

It is an arithmetic number, because the mean of its divisors is an integer number (517086755796).

Almost surely, 2^{10500655506066} is an apocalyptic number.

10500655506066 is an abundant number, since it is smaller than the sum of its proper divisors (14319508772142).

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

10500655506066 is a wasteful number, since it uses less digits than its factorization.

10500655506066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925407 (or 925404 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 10500655506066 in words is "ten trillion, five hundred billion, six hundred fifty-five million, five hundred six thousand, sixty-six".