1130515373 has 4 divisors (see below), whose sum is σ = 1217478108. Its totient is φ = 1043552640.

The previous prime is 1130515367. The next prime is 1130515403. The reversal of 1130515373 is 3735150311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3735150311 = 421 ⋅8872091.

It can be written as a sum of positive squares in 2 ways, for example, as 314956009 + 815559364 = 17747^2 + 28558^2 .

It is not a de Polignac number, because 1130515373 - 2⁴ = 1130515357 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 (1130515363) 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, 43481348 + ... + 43481373.

It is an arithmetic number, because the mean of its divisors is an integer number (304369527).

Almost surely, 2^1130515373 is an apocalyptic number.

1130515373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1130515373 is a deficient number, since it is larger than the sum of its proper divisors (86962735).

1130515373 is an equidigital number, since it uses as much as digits as its factorization.

1130515373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86962734.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 1130515373 is about 33623.1374651444. The cubic root of 1130515373 is about 1041.7387620401.

Adding to 1130515373 its reverse (3735150311), we get a palindrome (4865665684).

The spelling of 1130515373 in words is "one billion, one hundred thirty million, five hundred fifteen thousand, three hundred seventy-three".