1151261344 has 12 divisors (see below), whose sum is σ = 2266545834. Its totient is φ = 575630656.

The previous prime is 1151261329. The next prime is 1151261351. The reversal of 1151261344 is 4431621511.

It can be written as a sum of positive squares in only one way, i.e., 1138387600 + 12873744 = 33740^2 + 3588^2 .

It is a super-3 number, since 3×1151261344³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17988427 + ... + 17988490.

Almost surely, 2^1151261344 is an apocalyptic number.

It is an amenable number.

1151261344 is a deficient number, since it is larger than the sum of its proper divisors (1115284490).

1151261344 is an equidigital number, since it uses as much as digits as its factorization.

1151261344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35976927 (or 35976919 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1151261344 is about 33930.2423215632. The cubic root of 1151261344 is about 1048.0724558028.

Adding to 1151261344 its reverse (4431621511), we get a palindrome (5582882855).

The spelling of 1151261344 in words is "one billion, one hundred fifty-one million, two hundred sixty-one thousand, three hundred forty-four".