1153431151 has 4 divisors (see below), whose sum is σ = 1158603712. Its totient is φ = 1148258592.

The previous prime is 1153431143. The next prime is 1153431173. The reversal of 1153431151 is 1511343511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1511343511 = 5927 ⋅254993.

It is a cyclic number.

It is not a de Polignac number, because 1153431151 - 2³ = 1153431143 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 (1153431101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585946 + ... + 2586391.

It is an arithmetic number, because the mean of its divisors is an integer number (289650928).

Almost surely, 2^1153431151 is an apocalyptic number.

1153431151 is a deficient number, since it is larger than the sum of its proper divisors (5172561).

1153431151 is an equidigital number, since it uses as much as digits as its factorization.

1153431151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172560.

The product of its digits is 900, while the sum is 25.

The square root of 1153431151 is about 33962.2017984700. The cubic root of 1153431151 is about 1048.7304841372.

Adding to 1153431151 its reverse (1511343511), we get a palindrome (2664774662).

The spelling of 1153431151 in words is "one billion, one hundred fifty-three million, four hundred thirty-one thousand, one hundred fifty-one".