115532101 has 2 divisors, whose sum is σ = 115532102. Its totient is φ = 115532100.

The previous prime is 115532047. The next prime is 115532107. The reversal of 115532101 is 101235511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78747876 + 36784225 = 8874^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 115532101 - 2⁹ = 115531589 is a prime.

It is a super-2 number, since 2×115532101² = 26695332722948402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115532107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57766050 + 57766051.

It is an arithmetic number, because the mean of its divisors is an integer number (57766051).

Almost surely, 2^115532101 is an apocalyptic number.

It is an amenable number.

115532101 is a deficient number, since it is larger than the sum of its proper divisors (1).

115532101 is an equidigital number, since it uses as much as digits as its factorization.

115532101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 115532101 is about 10748.5860000281. The cubic root of 115532101 is about 487.0432817429.

Adding to 115532101 its reverse (101235511), we get a palindrome (216767612).

The spelling of 115532101 in words is "one hundred fifteen million, five hundred thirty-two thousand, one hundred one".