231401526858811 has 2 divisors, whose sum is σ = 231401526858812. Its totient is φ = 231401526858810.

The previous prime is 231401526858787. The next prime is 231401526858841. The reversal of 231401526858811 is 118858625104132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231401526858811 - 2¹¹ = 231401526856763 is a prime.

It is not a weakly prime, because it can be changed into another prime (231401526858841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115700763429405 + 115700763429406.

It is an arithmetic number, because the mean of its divisors is an integer number (115700763429406).

Almost surely, 2^{231401526858811} is an apocalyptic number.

231401526858811 is a deficient number, since it is larger than the sum of its proper divisors (1).

231401526858811 is an equidigital number, since it uses as much as digits as its factorization.

231401526858811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3686400, while the sum is 55.

The spelling of 231401526858811 in words is "two hundred thirty-one trillion, four hundred one billion, five hundred twenty-six million, eight hundred fifty-eight thousand, eight hundred eleven".