1151361539 has 2 divisors, whose sum is σ = 1151361540. Its totient is φ = 1151361538.

The previous prime is 1151361529. The next prime is 1151361571. The reversal of 1151361539 is 9351631511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151361539 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151361499 and 1151361508.

It is not a weakly prime, because it can be changed into another prime (1151361529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575680769 + 575680770.

It is an arithmetic number, because the mean of its divisors is an integer number (575680770).

Almost surely, 2^1151361539 is an apocalyptic number.

1151361539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151361539 is an equidigital number, since it uses as much as digits as its factorization.

1151361539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 35.

The square root of 1151361539 is about 33931.7187746215. The cubic root of 1151361539 is about 1048.1028597228.

The spelling of 1151361539 in words is "one billion, one hundred fifty-one million, three hundred sixty-one thousand, five hundred thirty-nine".