1150809547 has 2 divisors, whose sum is σ = 1150809548. Its totient is φ = 1150809546.

The previous prime is 1150809521. The next prime is 1150809553. The reversal of 1150809547 is 7459080511.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7459080511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150809547 - 2²⁷ = 1016591819 is a prime.

It is a super-2 number, since 2×1150809547² = 2648725226932690418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1150849547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575404773 + 575404774.

It is an arithmetic number, because the mean of its divisors is an integer number (575404774).

Almost surely, 2^1150809547 is an apocalyptic number.

1150809547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150809547 is an equidigital number, since it uses as much as digits as its factorization.

1150809547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1150809547 is about 33923.5839350738. The cubic root of 1150809547 is about 1047.9353372273.

The spelling of 1150809547 in words is "one billion, one hundred fifty million, eight hundred nine thousand, five hundred forty-seven".