26531006231047 has 4 divisors (see below), whose sum is σ = 26531024150520. Its totient is φ = 26530988311576.

The previous prime is 26531006231021. The next prime is 26531006231123. The reversal of 26531006231047 is 74013260013562.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 26531006231047 - 2⁷ = 26531006230919 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 (26531006238047) 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, 6516868 + ... + 9774025.

It is an arithmetic number, because the mean of its divisors is an integer number (6632756037630).

Almost surely, 2^{26531006231047} is an apocalyptic number.

26531006231047 is a deficient number, since it is larger than the sum of its proper divisors (17919473).

26531006231047 is a wasteful number, since it uses less digits than its factorization.

26531006231047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919472.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 26531006231047 in words is "twenty-six trillion, five hundred thirty-one billion, six million, two hundred thirty-one thousand, forty-seven".