1151311412 has 24 divisors (see below), whose sum is σ = 2063292000. Its totient is φ = 561820896.

The previous prime is 1151311411. The next prime is 1151311453. The reversal of 1151311412 is 2141131511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151311411) 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, 347339 + ... + 350637.

It is an arithmetic number, because the mean of its divisors is an integer number (85970500).

Almost surely, 2^1151311412 is an apocalyptic number.

It is an amenable number.

1151311412 is a deficient number, since it is larger than the sum of its proper divisors (911980588).

1151311412 is a wasteful number, since it uses less digits than its factorization.

1151311412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5373 counting only the distinct ones).

The product of its digits is 120, while the sum is 20.

The square root of 1151311412 is about 33930.9801214171. The cubic root of 1151311412 is about 1048.0876490316.

Adding to 1151311412 its reverse (2141131511), we get a palindrome (3292442923).

The spelling of 1151311412 in words is "one billion, one hundred fifty-one million, three hundred eleven thousand, four hundred twelve".