115285309639 has 2 divisors, whose sum is σ = 115285309640. Its totient is φ = 115285309638.

The previous prime is 115285309637. The next prime is 115285309669. The reversal of 115285309639 is 936903582511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115285309639 - 2¹ = 115285309637 is a prime.

Together with 115285309637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115285309631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57642654819 + 57642654820.

It is an arithmetic number, because the mean of its divisors is an integer number (57642654820).

Almost surely, 2^115285309639 is an apocalyptic number.

115285309639 is a deficient number, since it is larger than the sum of its proper divisors (1).

115285309639 is an equidigital number, since it uses as much as digits as its factorization.

115285309639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 115285309639 in words is "one hundred fifteen billion, two hundred eighty-five million, three hundred nine thousand, six hundred thirty-nine".