11506061650 has 96 divisors (see below), whose sum is σ = 23173516800. Its totient is φ = 4239206400.

The previous prime is 11506061603. The next prime is 11506061653. The reversal of 11506061650 is 5616060511.

It is not an unprimeable number, because it can be changed into a prime (11506061653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3723306 + ... + 3726394.

It is an arithmetic number, because the mean of its divisors is an integer number (241390800).

Almost surely, 2^11506061650 is an apocalyptic number.

11506061650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11506061650 is an abundant number, since it is smaller than the sum of its proper divisors (11667455150).

11506061650 is a wasteful number, since it uses less digits than its factorization.

11506061650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 11506061650 in words is "eleven billion, five hundred six million, sixty-one thousand, six hundred fifty".