1115117351 has 2 divisors, whose sum is σ = 1115117352. Its totient is φ = 1115117350.

The previous prime is 1115117293. The next prime is 1115117371. The reversal of 1115117351 is 1537115111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115117351 - 2³⁰ = 41375527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115117351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115117371) 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, 557558675 + 557558676.

It is an arithmetic number, because the mean of its divisors is an integer number (557558676).

Almost surely, 2^1115117351 is an apocalyptic number.

1115117351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115117351 is an equidigital number, since it uses as much as digits as its factorization.

1115117351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 525, while the sum is 26.

The square root of 1115117351 is about 33393.3728604943. The cubic root of 1115117351 is about 1036.9875073934.

The spelling of 1115117351 in words is "one billion, one hundred fifteen million, one hundred seventeen thousand, three hundred fifty-one".