26129211427 has 32 divisors (see below), whose sum is σ = 29053499904. Its totient is φ = 23302675200.

The previous prime is 26129211401. The next prime is 26129211461. The reversal of 26129211427 is 72411292162.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26129211427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26129211467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84016602 + ... + 84016912.

It is an arithmetic number, because the mean of its divisors is an integer number (907921872).

Almost surely, 2^26129211427 is an apocalyptic number.

26129211427 is a deficient number, since it is larger than the sum of its proper divisors (2924288477).

26129211427 is a wasteful number, since it uses less digits than its factorization.

26129211427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939.

The product of its digits is 24192, while the sum is 37.

The spelling of 26129211427 in words is "twenty-six billion, one hundred twenty-nine million, two hundred eleven thousand, four hundred twenty-seven".