1150775497 has 4 divisors (see below), whose sum is σ = 1153861060. Its totient is φ = 1147689936.

The previous prime is 1150775467. The next prime is 1150775501. The reversal of 1150775497 is 7945770511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7945770511 = 7 ⋅1135110073.

It can be written as a sum of positive squares in 2 ways, for example, as 886907961 + 263867536 = 29781^2 + 16244^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150775497 - 2¹⁵ = 1150742729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150775447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542222 + ... + 1542967.

It is an arithmetic number, because the mean of its divisors is an integer number (288465265).

Almost surely, 2^1150775497 is an apocalyptic number.

It is an amenable number.

1150775497 is a deficient number, since it is larger than the sum of its proper divisors (3085563).

1150775497 is an equidigital number, since it uses as much as digits as its factorization.

1150775497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085562.

The product of its (nonzero) digits is 308700, while the sum is 46.

The square root of 1150775497 is about 33923.0820681140. The cubic root of 1150775497 is about 1047.9250017349.

The spelling of 1150775497 in words is "one billion, one hundred fifty million, seven hundred seventy-five thousand, four hundred ninety-seven".