1151045201 has 4 divisors (see below), whose sum is σ = 1158106992. Its totient is φ = 1143983412.

The previous prime is 1151045191. The next prime is 1151045227. The reversal of 1151045201 is 1025401511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1025401511 = 401 ⋅2557111.

It is a cyclic number.

It is not a de Polignac number, because 1151045201 - 2³⁰ = 77303377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151045261) 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, 3530651 + ... + 3530976.

It is an arithmetic number, because the mean of its divisors is an integer number (289526748).

Almost surely, 2^1151045201 is an apocalyptic number.

It is an amenable number.

1151045201 is a deficient number, since it is larger than the sum of its proper divisors (7061791).

1151045201 is an equidigital number, since it uses as much as digits as its factorization.

1151045201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061790.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1151045201 is about 33927.0570636476. The cubic root of 1151045201 is about 1048.0068617468.

Adding to 1151045201 its reverse (1025401511), we get a palindrome (2176446712).

The spelling of 1151045201 in words is "one billion, one hundred fifty-one million, forty-five thousand, two hundred one".