11808287630 has 16 divisors (see below), whose sum is σ = 22179045024. Its totient is φ = 4517953440.

The previous prime is 11808287581. The next prime is 11808287677. The reversal of 11808287630 is 3678280811.

It is a super-2 number, since 2×11808287630² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 25669961 + ... + 25670420.

It is an arithmetic number, because the mean of its divisors is an integer number (1386190314).

Almost surely, 2^11808287630 is an apocalyptic number.

11808287630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11808287630 is a deficient number, since it is larger than the sum of its proper divisors (10370757394).

11808287630 is a wasteful number, since it uses less digits than its factorization.

11808287630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51340411.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 11808287630 in words is "eleven billion, eight hundred eight million, two hundred eighty-seven thousand, six hundred thirty".