115656536431 has 2 divisors, whose sum is σ = 115656536432. Its totient is φ = 115656536430.

The previous prime is 115656536417. The next prime is 115656536447. The reversal of 115656536431 is 134635656511.

It is a weak prime.

It is an emirp because it is prime and its reverse (134635656511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115656536431 - 2¹⁵ = 115656503663 is a prime.

It is a super-2 number, since 2×115656536431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115656536491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57828268215 + 57828268216.

It is an arithmetic number, because the mean of its divisors is an integer number (57828268216).

Almost surely, 2^115656536431 is an apocalyptic number.

115656536431 is a deficient number, since it is larger than the sum of its proper divisors (1).

115656536431 is an equidigital number, since it uses as much as digits as its factorization.

115656536431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 46.

The spelling of 115656536431 in words is "one hundred fifteen billion, six hundred fifty-six million, five hundred thirty-six thousand, four hundred thirty-one".