17123715471045 has 32 divisors (see below), whose sum is σ = 27425239228800. Its totient is φ = 9123554499840.

The previous prime is 17123715471029. The next prime is 17123715471047. The reversal of 17123715471045 is 54017451732171.

It is not a de Polignac number, because 17123715471045 - 2⁴ = 17123715471029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17123715470985 and 17123715471003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17123715471047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62990715 + ... + 63261975.

It is an arithmetic number, because the mean of its divisors is an integer number (857038725900).

Almost surely, 2^{17123715471045} is an apocalyptic number.

17123715471045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17123715471045 is a deficient number, since it is larger than the sum of its proper divisors (10301523757755).

17123715471045 is a wasteful number, since it uses less digits than its factorization.

17123715471045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275445.

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 17123715471045 in words is "seventeen trillion, one hundred twenty-three billion, seven hundred fifteen million, four hundred seventy-one thousand, forty-five".