11156656450 has 24 divisors (see below), whose sum is σ = 20762599680. Its totient is φ = 4460250000.

The previous prime is 11156656447. The next prime is 11156656457. The reversal of 11156656450 is 5465665111.

It is a super-3 number, since 3×11156656450³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11156656457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34575 + ... + 153325.

It is an arithmetic number, because the mean of its divisors is an integer number (865108320).

Almost surely, 2^11156656450 is an apocalyptic number.

11156656450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11156656450 is a deficient number, since it is larger than the sum of its proper divisors (9605943230).

11156656450 is a wasteful number, since it uses less digits than its factorization.

11156656450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120642 (or 120637 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 11156656450 in words is "eleven billion, one hundred fifty-six million, six hundred fifty-six thousand, four hundred fifty".