1151123344 has 20 divisors (see below), whose sum is σ = 2548916224. Its totient is φ = 493338528.

The previous prime is 1151123333. The next prime is 1151123359. The reversal of 1151123344 is 4433211511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5138832 + ... + 5139055.

Almost surely, 2^1151123344 is an apocalyptic number.

1151123344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1151123344 is an abundant number, since it is smaller than the sum of its proper divisors (1397792880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151123344 is a wasteful number, since it uses less digits than its factorization.

1151123344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10277902 (or 10277896 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1151123344 is about 33928.2086765570. The cubic root of 1151123344 is about 1048.0305771627.

Adding to 1151123344 its reverse (4433211511), we get a palindrome (5584334855).

The spelling of 1151123344 in words is "one billion, one hundred fifty-one million, one hundred twenty-three thousand, three hundred forty-four".