1151144013 has 32 divisors (see below), whose sum is σ = 1661299200. Its totient is φ = 706660416.

The previous prime is 1151143991. The next prime is 1151144041. The reversal of 1151144013 is 3104411511.

It is not a de Polignac number, because 1151144013 - 2¹⁸ = 1150881869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151144083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555343 + ... + 557411.

It is an arithmetic number, because the mean of its divisors is an integer number (51915600).

Almost surely, 2^1151144013 is an apocalyptic number.

It is an amenable number.

1151144013 is a deficient number, since it is larger than the sum of its proper divisors (510155187).

1151144013 is a wasteful number, since it uses less digits than its factorization.

1151144013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1151144013 is about 33928.5132742359. The cubic root of 1151144013 is about 1048.0368497643.

Adding to 1151144013 its reverse (3104411511), we get a palindrome (4255555524).

The spelling of 1151144013 in words is "one billion, one hundred fifty-one million, one hundred forty-four thousand, thirteen".