26431106862071 has 4 divisors (see below), whose sum is σ = 26879091724200. Its totient is φ = 25983121999944.

The previous prime is 26431106862053. The next prime is 26431106862137. The reversal of 26431106862071 is 17026860113462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26431106862071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26431106867071) 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, 223992430976 + ... + 223992431093.

It is an arithmetic number, because the mean of its divisors is an integer number (6719772931050).

Almost surely, 2^{26431106862071} is an apocalyptic number.

26431106862071 is a deficient number, since it is larger than the sum of its proper divisors (447984862129).

26431106862071 is an equidigital number, since it uses as much as digits as its factorization.

26431106862071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447984862128.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 26431106862071 in words is "twenty-six trillion, four hundred thirty-one billion, one hundred six million, eight hundred sixty-two thousand, seventy-one".