115526729491 has 2 divisors, whose sum is σ = 115526729492. Its totient is φ = 115526729490.

The previous prime is 115526729407. The next prime is 115526729519. The reversal of 115526729491 is 194927625511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115526729491 - 2¹¹ = 115526727443 is a prime.

It is not a weakly prime, because it can be changed into another prime (115326729491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57763364745 + 57763364746.

It is an arithmetic number, because the mean of its divisors is an integer number (57763364746).

Almost surely, 2^115526729491 is an apocalyptic number.

115526729491 is a deficient number, since it is larger than the sum of its proper divisors (1).

115526729491 is an equidigital number, since it uses as much as digits as its factorization.

115526729491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 52.

The spelling of 115526729491 in words is "one hundred fifteen billion, five hundred twenty-six million, seven hundred twenty-nine thousand, four hundred ninety-one".