1135544554 has 4 divisors (see below), whose sum is σ = 1703316834. Its totient is φ = 567772276.

The previous prime is 1135544551. The next prime is 1135544593. The reversal of 1135544554 is 4554455311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1134140329 + 1404225 = 33677^2 + 1185^2 .

It is a super-2 number, since 2×1135544554² = 2578922868238117832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1135544551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283886137 + ... + 283886140.

Almost surely, 2^1135544554 is an apocalyptic number.

1135544554 is a deficient number, since it is larger than the sum of its proper divisors (567772280).

1135544554 is an equidigital number, since it uses as much as digits as its factorization.

1135544554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567772279.

The product of its digits is 120000, while the sum is 37.

The square root of 1135544554 is about 33697.8419783819. The cubic root of 1135544554 is about 1043.2812276055.

Adding to 1135544554 its reverse (4554455311), we get a palindrome (5689999865).

The spelling of 1135544554 in words is "one billion, one hundred thirty-five million, five hundred forty-four thousand, five hundred fifty-four".