10665123431455 has 4 divisors (see below), whose sum is σ = 12798148117752. Its totient is φ = 8532098745160.

The previous prime is 10665123431453. The next prime is 10665123431497. The reversal of 10665123431455 is 55413432156601.

10665123431455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10665123431455 - 2¹ = 10665123431453 is a prime.

It is a super-2 number, since 2×10665123431455² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10665123431453) 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, 1066512343141 + ... + 1066512343150.

It is an arithmetic number, because the mean of its divisors is an integer number (3199537029438).

Almost surely, 2^{10665123431455} is an apocalyptic number.

10665123431455 is a deficient number, since it is larger than the sum of its proper divisors (2133024686297).

10665123431455 is an equidigital number, since it uses as much as digits as its factorization.

10665123431455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133024686296.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 10665123431455 in words is "ten trillion, six hundred sixty-five billion, one hundred twenty-three million, four hundred thirty-one thousand, four hundred fifty-five".