34157855585405 has 16 divisors (see below), whose sum is σ = 41001708364464. Its totient is φ = 27318097566720.

The previous prime is 34157855585297. The next prime is 34157855585431. The reversal of 34157855585405 is 50458555875143.

It can be written as a sum of positive squares in 8 ways, for example, as 5956264778116 + 28201590807289 = 2440546^2 + 5310517^2 .

It is not a de Polignac number, because 34157855585405 - 2⁸ = 34157855585149 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 395572535 + ... + 395658875.

It is an arithmetic number, because the mean of its divisors is an integer number (2562606772779).

Almost surely, 2^{34157855585405} is an apocalyptic number.

It is an amenable number.

34157855585405 is a deficient number, since it is larger than the sum of its proper divisors (6843852779059).

34157855585405 is a wasteful number, since it uses less digits than its factorization.

34157855585405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109136.

The product of its (nonzero) digits is 336000000, while the sum is 65.

The spelling of 34157855585405 in words is "thirty-four trillion, one hundred fifty-seven billion, eight hundred fifty-five million, five hundred eighty-five thousand, four hundred five".