1133550001 has 4 divisors (see below), whose sum is σ = 1161197604. Its totient is φ = 1105902400.

The previous prime is 1133549983. The next prime is 1133550029. The reversal of 1133550001 is 1000553311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 553896225 + 579653776 = 23535^2 + 24076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133550001 - 2⁷ = 1133549873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133550031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13823740 + ... + 13823821.

It is an arithmetic number, because the mean of its divisors is an integer number (290299401).

Almost surely, 2^1133550001 is an apocalyptic number.

It is an amenable number.

1133550001 is a deficient number, since it is larger than the sum of its proper divisors (27647603).

1133550001 is an equidigital number, since it uses as much as digits as its factorization.

1133550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27647602.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1133550001 is about 33668.2343017866. The cubic root of 1133550001 is about 1042.6700379575.

The spelling of 1133550001 in words is "one billion, one hundred thirty-three million, five hundred fifty thousand, one".