1131253151 has 12 divisors (see below), whose sum is σ = 1393357248. Its totient is φ = 912606912.

The previous prime is 1131253129. The next prime is 1131253169. The reversal of 1131253151 is 1513521311.

It is not a de Polignac number, because 1131253151 - 2⁶ = 1131253087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131253171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678191 + ... + 679856.

It is an arithmetic number, because the mean of its divisors is an integer number (116113104).

Almost surely, 2^1131253151 is an apocalyptic number.

1131253151 is a deficient number, since it is larger than the sum of its proper divisors (262104097).

1131253151 is a wasteful number, since it uses less digits than its factorization.

1131253151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358078 (or 1358071 counting only the distinct ones).

The product of its digits is 450, while the sum is 23.

The square root of 1131253151 is about 33634.1069600488. The cubic root of 1131253151 is about 1041.9653267935.

Adding to 1131253151 its reverse (1513521311), we get a palindrome (2644774462).

The spelling of 1131253151 in words is "one billion, one hundred thirty-one million, two hundred fifty-three thousand, one hundred fifty-one".