1150021517 has 2 divisors, whose sum is σ = 1150021518. Its totient is φ = 1150021516.

The previous prime is 1150021511. The next prime is 1150021589. The reversal of 1150021517 is 7151200511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 884527081 + 265494436 = 29741^2 + 16294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150021517 - 2²⁰ = 1148972941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1150021492 and 1150021501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150021511) 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, 575010758 + 575010759.

It is an arithmetic number, because the mean of its divisors is an integer number (575010759).

Almost surely, 2^1150021517 is an apocalyptic number.

It is an amenable number.

1150021517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150021517 is an equidigital number, since it uses as much as digits as its factorization.

1150021517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1150021517 is about 33911.9671649994. The cubic root of 1150021517 is about 1047.6960873732.

The spelling of 1150021517 in words is "one billion, one hundred fifty million, twenty-one thousand, five hundred seventeen".