26143054521171 has 16 divisors (see below), whose sum is σ = 40127816745984. Its totient is φ = 14829845315904.

The previous prime is 26143054521137. The next prime is 26143054521211. The reversal of 26143054521171 is 17112545034162.

It is a happy number.

It is not a de Polignac number, because 26143054521171 - 2¹⁵ = 26143054488403 is a prime.

It is a super-2 number, since 2×26143054521171² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26143054521271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4543454635 + ... + 4543460388.

It is an arithmetic number, because the mean of its divisors is an integer number (2507988546624).

Almost surely, 2^{26143054521171} is an apocalyptic number.

26143054521171 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26143054521171 is a deficient number, since it is larger than the sum of its proper divisors (13984762224813).

26143054521171 is a wasteful number, since it uses less digits than its factorization.

26143054521171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086915170.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 26143054521171 in words is "twenty-six trillion, one hundred forty-three billion, fifty-four million, five hundred twenty-one thousand, one hundred seventy-one".