1141508131 has 4 divisors (see below), whose sum is σ = 1150496512. Its totient is φ = 1132519752.

The previous prime is 1141508119. The next prime is 1141508177. The reversal of 1141508131 is 1318051411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1318051411 = 9397 ⋅140263.

It is a cyclic number.

It is not a de Polignac number, because 1141508131 - 2⁷ = 1141508003 is a prime.

It is a super-2 number, since 2×1141508131² = 2606081626278226322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141508096 and 1141508105.

It is not an unprimeable number, because it can be changed into a prime (1141506131) 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, 4494000 + ... + 4494253.

It is an arithmetic number, because the mean of its divisors is an integer number (287624128).

Almost surely, 2^1141508131 is an apocalyptic number.

1141508131 is a deficient number, since it is larger than the sum of its proper divisors (8988381).

1141508131 is an equidigital number, since it uses as much as digits as its factorization.

1141508131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8988380.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 1141508131 is about 33786.2121434173. The cubic root of 1141508131 is about 1045.1043846186.

Adding to 1141508131 its reverse (1318051411), we get a palindrome (2459559542).

The spelling of 1141508131 in words is "one billion, one hundred forty-one million, five hundred eight thousand, one hundred thirty-one".