11116521970 has 16 divisors (see below), whose sum is σ = 20144035800. Its totient is φ = 4416765184.

The previous prime is 11116521967. The next prime is 11116521971. The reversal of 11116521970 is 7912561111.

11116521970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9886126041 + 1230395929 = 99429^2 + 35077^2 .

It is not an unprimeable number, because it can be changed into a prime (11116521971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728887 + ... + 3731866.

Almost surely, 2^11116521970 is an apocalyptic number.

11116521970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11116521970 is a deficient number, since it is larger than the sum of its proper divisors (9027513830).

11116521970 is a wasteful number, since it uses less digits than its factorization.

11116521970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460909.

The product of its (nonzero) digits is 3780, while the sum is 34.

The spelling of 11116521970 in words is "eleven billion, one hundred sixteen million, five hundred twenty-one thousand, nine hundred seventy".