1131133547 has 2 divisors, whose sum is σ = 1131133548. Its totient is φ = 1131133546.

The previous prime is 1131133481. The next prime is 1131133561. The reversal of 1131133547 is 7453311311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131133547 - 2⁸ = 1131133291 is a prime.

It is a super-2 number, since 2×1131133547² = 2558926202297602418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1131133567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565566773 + 565566774.

It is an arithmetic number, because the mean of its divisors is an integer number (565566774).

Almost surely, 2^1131133547 is an apocalyptic number.

1131133547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131133547 is an equidigital number, since it uses as much as digits as its factorization.

1131133547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 1131133547 is about 33632.3288964651. The cubic root of 1131133547 is about 1041.9286042105.

Adding to 1131133547 its reverse (7453311311), we get a palindrome (8584444858).

The spelling of 1131133547 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, five hundred forty-seven".