115522061 has 2 divisors, whose sum is σ = 115522062. Its totient is φ = 115522060.

The previous prime is 115522049. The next prime is 115522067. The reversal of 115522061 is 160225511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99880036 + 15642025 = 9994^2 + 3955^2 .

It is a cyclic number.

It is not a de Polignac number, because 115522061 - 2¹⁰ = 115521037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115522067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57761030 + 57761031.

It is an arithmetic number, because the mean of its divisors is an integer number (57761031).

Almost surely, 2^115522061 is an apocalyptic number.

It is an amenable number.

115522061 is a deficient number, since it is larger than the sum of its proper divisors (1).

115522061 is an equidigital number, since it uses as much as digits as its factorization.

115522061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 115522061 is about 10748.1189517050. The cubic root of 115522061 is about 487.0291729478.

Adding to 115522061 its reverse (160225511), we get a palindrome (275747572).

The spelling of 115522061 in words is "one hundred fifteen million, five hundred twenty-two thousand, sixty-one".