1150520477 has 2 divisors, whose sum is σ = 1150520478. Its totient is φ = 1150520476.

The previous prime is 1150520417. The next prime is 1150520489. The reversal of 1150520477 is 7740250511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149142201 + 1378276 = 33899^2 + 1174^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150520477 - 2⁸ = 1150520221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150520417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575260238 + 575260239.

It is an arithmetic number, because the mean of its divisors is an integer number (575260239).

Almost surely, 2^1150520477 is an apocalyptic number.

It is an amenable number.

1150520477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150520477 is an equidigital number, since it uses as much as digits as its factorization.

1150520477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 1150520477 is about 33919.3230622311. The cubic root of 1150520477 is about 1047.8475868154.

Adding to 1150520477 its reverse (7740250511), we get a palindrome (8890770988).

The spelling of 1150520477 in words is "one billion, one hundred fifty million, five hundred twenty thousand, four hundred seventy-seven".