114164502581 has 2 divisors, whose sum is σ = 114164502582. Its totient is φ = 114164502580.

The previous prime is 114164502553. The next prime is 114164502649. The reversal of 114164502581 is 185205461411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72412119025 + 41752383556 = 269095^2 + 204334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-114164502581 is a prime.

It is a super-2 number, since 2×114164502581² (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 (114164502511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57082251290 + 57082251291.

It is an arithmetic number, because the mean of its divisors is an integer number (57082251291).

Almost surely, 2^114164502581 is an apocalyptic number.

It is an amenable number.

114164502581 is a deficient number, since it is larger than the sum of its proper divisors (1).

114164502581 is an equidigital number, since it uses as much as digits as its factorization.

114164502581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 38.

Adding to 114164502581 its reverse (185205461411), we get a palindrome (299369963992).

The spelling of 114164502581 in words is "one hundred fourteen billion, one hundred sixty-four million, five hundred two thousand, five hundred eighty-one".