11818508810 has 16 divisors (see below), whose sum is σ = 21278062152. Its totient is φ = 4726348800.

The previous prime is 11818508791. The next prime is 11818508827. The reversal of 11818508810 is 1880581811.

It can be written as a sum of positive squares in 4 ways, for example, as 10908340249 + 910168561 = 104443^2 + 30169^2 .

It is a super-2 number, since 2×11818508810² (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 7 ways as a sum of consecutive naturals, for example, 83951 + ... + 175170.

Almost surely, 2^11818508810 is an apocalyptic number.

11818508810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11818508810 is a deficient number, since it is larger than the sum of its proper divisors (9459553342).

11818508810 is a wasteful number, since it uses less digits than its factorization.

11818508810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263689.

The product of its (nonzero) digits is 20480, while the sum is 41.

The spelling of 11818508810 in words is "eleven billion, eight hundred eighteen million, five hundred eight thousand, eight hundred ten".