1135421151 has 16 divisors (see below), whose sum is σ = 1580656896. Its totient is φ = 723605696.

The previous prime is 1135421141. The next prime is 1135421207. The reversal of 1135421151 is 1511245311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135421151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135421141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144736 + ... + 152378.

It is an arithmetic number, because the mean of its divisors is an integer number (98791056).

Almost surely, 2^1135421151 is an apocalyptic number.

1135421151 is a deficient number, since it is larger than the sum of its proper divisors (445235745).

1135421151 is a wasteful number, since it uses less digits than its factorization.

1135421151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9822.

The product of its digits is 600, while the sum is 24.

The square root of 1135421151 is about 33696.0109063373. The cubic root of 1135421151 is about 1043.2434340797.

Adding to 1135421151 its reverse (1511245311), we get a palindrome (2646666462).

The spelling of 1135421151 in words is "one billion, one hundred thirty-five million, four hundred twenty-one thousand, one hundred fifty-one".