26431653544131 has 16 divisors (see below), whose sum is σ = 38748766261248. Its totient is φ = 15893048656800.

The previous prime is 26431653544111. The next prime is 26431653544211. The reversal of 26431653544131 is 13144535613462.

It is not a de Polignac number, because 26431653544131 - 2¹⁰ = 26431653543107 is a prime.

It is a super-2 number, since 2×26431653544131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26431653544111) 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, 3153378480 + ... + 3153386861.

It is an arithmetic number, because the mean of its divisors is an integer number (2421797891328).

Almost surely, 2^{26431653544131} is an apocalyptic number.

26431653544131 is a deficient number, since it is larger than the sum of its proper divisors (12317112717117).

26431653544131 is a wasteful number, since it uses less digits than its factorization.

26431653544131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306765482.

The product of its digits is 3110400, while the sum is 48.

The spelling of 26431653544131 in words is "twenty-six trillion, four hundred thirty-one billion, six hundred fifty-three million, five hundred forty-four thousand, one hundred thirty-one".