1115513530 has 8 divisors (see below), whose sum is σ = 2007924372. Its totient is φ = 446205408.

The previous prime is 1115513489. The next prime is 1115513543. The reversal of 1115513530 is 353155111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1080502641 + 35010889 = 32871^2 + 5917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1115513530² = 2488740871226121800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1115513495 and 1115513504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55775667 + ... + 55775686.

Almost surely, 2^1115513530 is an apocalyptic number.

1115513530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115513530 is a deficient number, since it is larger than the sum of its proper divisors (892410842).

1115513530 is a wasteful number, since it uses less digits than its factorization.

1115513530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111551360.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 1115513530 is about 33399.3043340726. The cubic root of 1115513530 is about 1037.1102998599.

Adding to 1115513530 its reverse (353155111), we get a palindrome (1468668641).

The spelling of 1115513530 in words is "one billion, one hundred fifteen million, five hundred thirteen thousand, five hundred thirty".