1151236253 has 16 divisors (see below), whose sum is σ = 1200431232. Its totient is φ = 1103232000.

The previous prime is 1151236249. The next prime is 1151236259. The reversal of 1151236253 is 3526321511.

It is a cyclic number.

It is not a de Polignac number, because 1151236253 - 2² = 1151236249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151236259) 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, 552173 + ... + 554253.

It is an arithmetic number, because the mean of its divisors is an integer number (75026952).

Almost surely, 2^1151236253 is an apocalyptic number.

It is an amenable number.

1151236253 is a deficient number, since it is larger than the sum of its proper divisors (49194979).

1151236253 is a wasteful number, since it uses less digits than its factorization.

1151236253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its digits is 5400, while the sum is 29.

The square root of 1151236253 is about 33929.8725756523. The cubic root of 1151236253 is about 1048.0648417260.

Adding to 1151236253 its reverse (3526321511), we get a palindrome (4677557764).

The spelling of 1151236253 in words is "one billion, one hundred fifty-one million, two hundred thirty-six thousand, two hundred fifty-three".