10666505151097 has 4 divisors (see below), whose sum is σ = 10666515255156. Its totient is φ = 10666495047040.

The previous prime is 10666505150989. The next prime is 10666505151119. The reversal of 10666505151097 is 79015150566601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1024834300281 + 9641670850816 = 1012341^2 + 3105104^2 .

It is a cyclic number.

It is not a de Polignac number, because 10666505151097 - 2²³ = 10666496762489 is a prime.

It is a super-2 number, since 2×10666505151097² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10666505151697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3255604 + ... + 5650837.

It is an arithmetic number, because the mean of its divisors is an integer number (2666628813789).

Almost surely, 2^{10666505151097} is an apocalyptic number.

It is an amenable number.

10666505151097 is a deficient number, since it is larger than the sum of its proper divisors (10104059).

10666505151097 is an equidigital number, since it uses as much as digits as its factorization.

10666505151097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104058.

The product of its (nonzero) digits is 1701000, while the sum is 52.

The spelling of 10666505151097 in words is "ten trillion, six hundred sixty-six billion, five hundred five million, one hundred fifty-one thousand, ninety-seven".