1151344011 has 8 divisors (see below), whose sum is σ = 1537079104. Its totient is φ = 766585800.

The previous prime is 1151343983. The next prime is 1151344031. The reversal of 1151344011 is 1104431511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151344011 - 2⁷ = 1151343883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151344031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241465 + ... + 246186.

It is an arithmetic number, because the mean of its divisors is an integer number (192134888).

Almost surely, 2^1151344011 is an apocalyptic number.

1151344011 is a deficient number, since it is larger than the sum of its proper divisors (385735093).

1151344011 is an equidigital number, since it uses as much as digits as its factorization.

1151344011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488441.

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

The square root of 1151344011 is about 33931.4604902294. The cubic root of 1151344011 is about 1048.0975410227.

Adding to 1151344011 its reverse (1104431511), we get a palindrome (2255775522).

The spelling of 1151344011 in words is "one billion, one hundred fifty-one million, three hundred forty-four thousand, eleven".