1151572291 has 2 divisors, whose sum is σ = 1151572292. Its totient is φ = 1151572290.

The previous prime is 1151572229. The next prime is 1151572307. The reversal of 1151572291 is 1922751511.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1922751511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151572291 is a prime.

It is a super-2 number, since 2×1151572291² = 2652237482797977362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1151576291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575786145 + 575786146.

It is an arithmetic number, because the mean of its divisors is an integer number (575786146).

Almost surely, 2^1151572291 is an apocalyptic number.

1151572291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151572291 is an equidigital number, since it uses as much as digits as its factorization.

1151572291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 34.

The square root of 1151572291 is about 33934.8241633871. The cubic root of 1151572291 is about 1048.1668061289.

The spelling of 1151572291 in words is "one billion, one hundred fifty-one million, five hundred seventy-two thousand, two hundred ninety-one".