115232771987 has 2 divisors, whose sum is σ = 115232771988. Its totient is φ = 115232771986.

The previous prime is 115232771981. The next prime is 115232772047. The reversal of 115232771987 is 789177232511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115232771987 - 2⁴ = 115232771971 is a prime.

It is not a weakly prime, because it can be changed into another prime (115232771981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57616385993 + 57616385994.

It is an arithmetic number, because the mean of its divisors is an integer number (57616385994).

Almost surely, 2^115232771987 is an apocalyptic number.

115232771987 is a deficient number, since it is larger than the sum of its proper divisors (1).

115232771987 is an equidigital number, since it uses as much as digits as its factorization.

115232771987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 53.

The spelling of 115232771987 in words is "one hundred fifteen billion, two hundred thirty-two million, seven hundred seventy-one thousand, nine hundred eighty-seven".