11685820130 has 8 divisors (see below), whose sum is σ = 21034476252. Its totient is φ = 4674328048.

The previous prime is 11685820121. The next prime is 11685820147. The reversal of 11685820130 is 3102858611.

It can be written as a sum of positive squares in 2 ways, for example, as 11100518881 + 585301249 = 105359^2 + 24193^2 .

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

It is a super-2 number, since 2×11685820130² (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, 584290997 + ... + 584291016.

Almost surely, 2^11685820130 is an apocalyptic number.

11685820130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11685820130 is a deficient number, since it is larger than the sum of its proper divisors (9348656122).

11685820130 is a wasteful number, since it uses less digits than its factorization.

11685820130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168582020.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 11685820130 in words is "eleven billion, six hundred eighty-five million, eight hundred twenty thousand, one hundred thirty".