1153520507 has 2 divisors, whose sum is σ = 1153520508. Its totient is φ = 1153520506.

The previous prime is 1153520479. The next prime is 1153520521. The reversal of 1153520507 is 7050253511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1153520507 - 2¹² = 1153516411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153520507.

It is not a weakly prime, because it can be changed into another prime (1153520597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576760253 + 576760254.

It is an arithmetic number, because the mean of its divisors is an integer number (576760254).

Almost surely, 2^1153520507 is an apocalyptic number.

1153520507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153520507 is an equidigital number, since it uses as much as digits as its factorization.

1153520507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1153520507 is about 33963.5172942968. The cubic root of 1153520507 is about 1048.7575650605.

The spelling of 1153520507 in words is "one billion, one hundred fifty-three million, five hundred twenty thousand, five hundred seven".