11530080818 has 8 divisors (see below), whose sum is σ = 17395093548. Its totient is φ = 5731716304.

The previous prime is 11530080791. The next prime is 11530080829. The reversal of 11530080818 is 81808003511.

It can be written as a sum of positive squares in 2 ways, for example, as 11501061049 + 29019769 = 107243^2 + 5387^2 .

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

It is a super-2 number, since 2×11530080818² (a number of 21 digits) contains 22 as substring.

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, 16661621 + ... + 16662312.

Almost surely, 2^11530080818 is an apocalyptic number.

11530080818 is a deficient number, since it is larger than the sum of its proper divisors (5865012730).

11530080818 is a wasteful number, since it uses less digits than its factorization.

11530080818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33324108.

The product of its (nonzero) digits is 7680, while the sum is 35.

The spelling of 11530080818 in words is "eleven billion, five hundred thirty million, eighty thousand, eight hundred eighteen".