11618285650 has 12 divisors (see below), whose sum is σ = 21610011402. Its totient is φ = 4647314240.

The previous prime is 11618285641. The next prime is 11618285729. The reversal of 11618285650 is 5658281611.

It can be written as a sum of positive squares in 3 ways, for example, as 6276283729 + 5342001921 = 79223^2 + 73089^2 .

It is a super-2 number, since 2×11618285650² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11618285597 and 11618285606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116182807 + ... + 116182906.

Almost surely, 2^11618285650 is an apocalyptic number.

11618285650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11618285650 is a deficient number, since it is larger than the sum of its proper divisors (9991725752).

11618285650 is a wasteful number, since it uses less digits than its factorization.

11618285650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232365725 (or 232365720 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 11618285650 in words is "eleven billion, six hundred eighteen million, two hundred eighty-five thousand, six hundred fifty".