1115412541 has 2 divisors, whose sum is σ = 1115412542. Its totient is φ = 1115412540.

The previous prime is 1115412533. The next prime is 1115412559. The reversal of 1115412541 is 1452145111.

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., 748843225 + 366569316 = 27365^2 + 19146^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115412541 - 2³ = 1115412533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115412341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557706270 + 557706271.

It is an arithmetic number, because the mean of its divisors is an integer number (557706271).

Almost surely, 2^1115412541 is an apocalyptic number.

It is an amenable number.

1115412541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115412541 is an equidigital number, since it uses as much as digits as its factorization.

1115412541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800, while the sum is 25.

The square root of 1115412541 is about 33397.7924569873. The cubic root of 1115412541 is about 1037.0790019001.

Adding to 1115412541 its reverse (1452145111), we get a palindrome (2567557652).

The spelling of 1115412541 in words is "one billion, one hundred fifteen million, four hundred twelve thousand, five hundred forty-one".