11542556650 has 48 divisors (see below), whose sum is σ = 22025402784. Its totient is φ = 4497958080.

The previous prime is 11542556561. The next prime is 11542556651. The reversal of 11542556650 is 5665524511.

It is a super-2 number, since 2×11542556650² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11542556651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846789 + ... + 860311.

It is an arithmetic number, because the mean of its divisors is an integer number (458862558).

Almost surely, 2^11542556650 is an apocalyptic number.

11542556650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11542556650 is a deficient number, since it is larger than the sum of its proper divisors (10482846134).

11542556650 is a wasteful number, since it uses less digits than its factorization.

11542556650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13975 (or 13970 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 11542556650 in words is "eleven billion, five hundred forty-two million, five hundred fifty-six thousand, six hundred fifty".