115243511 has 2 divisors, whose sum is σ = 115243512. Its totient is φ = 115243510.

The previous prime is 115243489. The next prime is 115243517. The reversal of 115243511 is 115342511.

It is a strong prime.

It is an emirp because it is prime and its reverse (115342511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115243511 - 2¹⁰ = 115242487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115243517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57621755 + 57621756.

It is an arithmetic number, because the mean of its divisors is an integer number (57621756).

Almost surely, 2^115243511 is an apocalyptic number.

115243511 is a deficient number, since it is larger than the sum of its proper divisors (1).

115243511 is an equidigital number, since it uses as much as digits as its factorization.

115243511 is an evil number, because the sum of its binary digits is even.

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

The square root of 115243511 is about 10735.1530496775. The cubic root of 115243511 is about 486.6374118171.

The spelling of 115243511 in words is "one hundred fifteen million, two hundred forty-three thousand, five hundred eleven".