1131044517 has 12 divisors (see below), whose sum is σ = 1686432384. Its totient is φ = 729705960.

The previous prime is 1131044503. The next prime is 1131044531. The reversal of 1131044517 is 7154401311.

It is an interprime number because it is at equal distance from previous prime (1131044503) and next prime (1131044531).

It is not a de Polignac number, because 1131044517 - 2¹⁴ = 1131028133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131044617) 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, 2026683 + ... + 2027240.

It is an arithmetic number, because the mean of its divisors is an integer number (140536032).

Almost surely, 2^1131044517 is an apocalyptic number.

It is an amenable number.

1131044517 is a deficient number, since it is larger than the sum of its proper divisors (555387867).

1131044517 is a wasteful number, since it uses less digits than its factorization.

1131044517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053960 (or 4053957 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1131044517 is about 33631.0052927355. The cubic root of 1131044517 is about 1041.9012672270.

Adding to 1131044517 its reverse (7154401311), we get a palindrome (8285445828).

The spelling of 1131044517 in words is "one billion, one hundred thirty-one million, forty-four thousand, five hundred seventeen".