1151415243917 has 2 divisors, whose sum is σ = 1151415243918. Its totient is φ = 1151415243916.

The previous prime is 1151415243887. The next prime is 1151415243961. The reversal of 1151415243917 is 7193425141511.

It is a happy number.

It is an a-pointer prime, because the next prime (1151415243961) can be obtained adding 1151415243917 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1150447162921 + 968080996 = 1072589^2 + 31114^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151415243917 - 2¹⁴ = 1151415227533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151415243997) 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, 575707621958 + 575707621959.

It is an arithmetic number, because the mean of its divisors is an integer number (575707621959).

Almost surely, 2^{1151415243917} is an apocalyptic number.

It is an amenable number.

1151415243917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151415243917 is an equidigital number, since it uses as much as digits as its factorization.

1151415243917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 44.

The spelling of 1151415243917 in words is "one trillion, one hundred fifty-one billion, four hundred fifteen million, two hundred forty-three thousand, nine hundred seventeen".