11997410500 has 24 divisors (see below), whose sum is σ = 26202345624. Its totient is φ = 4798964000.

The previous prime is 11997410449. The next prime is 11997410501. The reversal of 11997410500 is 501479911.

11997410500 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 3410793604 + 8586616896 = 58402^2 + 92664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11997410500.

It is not an unprimeable number, because it can be changed into a prime (11997410501) 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, 11996911 + ... + 11997910.

It is an arithmetic number, because the mean of its divisors is an integer number (1091764401).

Almost surely, 2^11997410500 is an apocalyptic number.

11997410500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11997410500 is an abundant number, since it is smaller than the sum of its proper divisors (14204935124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11997410500 is a wasteful number, since it uses less digits than its factorization.

11997410500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23994840 (or 23994828 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 37.

The spelling of 11997410500 in words is "eleven billion, nine hundred ninety-seven million, four hundred ten thousand, five hundred".