1151015273 has 2 divisors, whose sum is σ = 1151015274. Its totient is φ = 1151015272.

The previous prime is 1151015251. The next prime is 1151015279. The reversal of 1151015273 is 3725101511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 840304144 + 310711129 = 28988^2 + 17627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151015273 - 2¹² = 1151011177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151015279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575507636 + 575507637.

It is an arithmetic number, because the mean of its divisors is an integer number (575507637).

Almost surely, 2^1151015273 is an apocalyptic number.

It is an amenable number.

1151015273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151015273 is an equidigital number, since it uses as much as digits as its factorization.

1151015273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 1151015273 is about 33926.6159968836. The cubic root of 1151015273 is about 1047.9977786917.

Adding to 1151015273 its reverse (3725101511), we get a palindrome (4876116784).

The spelling of 1151015273 in words is "one billion, one hundred fifty-one million, fifteen thousand, two hundred seventy-three".