1130516981 has 16 divisors (see below), whose sum is σ = 1274468928. Its totient is φ = 993772800.

The previous prime is 1130516971. The next prime is 1130517019. The reversal of 1130516981 is 1896150311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1130516981 - 2¹⁸ = 1130254837 is a prime.

It is a super-2 number, since 2×1130516981² = 2556137288658708722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 (1130516911) 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, 57821 + ... + 74861.

It is an arithmetic number, because the mean of its divisors is an integer number (79654308).

Almost surely, 2^1130516981 is an apocalyptic number.

1130516981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1130516981 is a deficient number, since it is larger than the sum of its proper divisors (143951947).

1130516981 is a wasteful number, since it uses less digits than its factorization.

1130516981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17252.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1130516981 is about 33623.1613772411. The cubic root of 1130516981 is about 1041.7392559491.

The spelling of 1130516981 in words is "one billion, one hundred thirty million, five hundred sixteen thousand, nine hundred eighty-one".