17105156045 has 16 divisors (see below), whose sum is σ = 20678295600. Its totient is φ = 13582848000.

The previous prime is 17105156039. The next prime is 17105156053. The reversal of 17105156045 is 54065150171.

It can be written as a sum of positive squares in 8 ways, for example, as 1038579529 + 16066576516 = 32227^2 + 126754^2 .

It is not a de Polignac number, because 17105156045 - 2²² = 17100961741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17105155996 and 17105156014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1185575 + ... + 1199915.

It is an arithmetic number, because the mean of its divisors is an integer number (1292393475).

Almost surely, 2^17105156045 is an apocalyptic number.

It is an amenable number.

17105156045 is a deficient number, since it is larger than the sum of its proper divisors (3573139555).

17105156045 is a wasteful number, since it uses less digits than its factorization.

17105156045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16096.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 17105156045 in words is "seventeen billion, one hundred five million, one hundred fifty-six thousand, forty-five".