11345220650 has 24 divisors (see below), whose sum is σ = 21119478624. Its totient is φ = 4534353200.

The previous prime is 11345220647. The next prime is 11345220661. The reversal of 11345220650 is 5602254311.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31616 + ... + 153915.

It is an arithmetic number, because the mean of its divisors is an integer number (879978276).

Almost surely, 2^11345220650 is an apocalyptic number.

11345220650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11345220650 is a deficient number, since it is larger than the sum of its proper divisors (9774257974).

11345220650 is a wasteful number, since it uses less digits than its factorization.

11345220650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186766 (or 186761 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11345220650 its reverse (5602254311), we get a palindrome (16947474961).

The spelling of 11345220650 in words is "eleven billion, three hundred forty-five million, two hundred twenty thousand, six hundred fifty".