11901500836 has 9 divisors (see below), whose sum is σ = 20828008299. Its totient is φ = 5950641324.

The previous prime is 11901500833. The next prime is 11901500837. The reversal of 11901500836 is 63800510911.

The square root of 11901500836 is 109094.

It is a perfect power (a square), and thus also a powerful number.

11901500836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11901500833) 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 2 ways as a sum of consecutive naturals, for example, 190915 + ... + 245461.

Almost surely, 2^11901500836 is an apocalyptic number.

11901500836 is the 109094-th square number.

It is an amenable number.

11901500836 is a deficient number, since it is larger than the sum of its proper divisors (8926507463).

11901500836 is an frugal number, since it uses more digits than its factorization.

11901500836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109098 (or 54549 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 11901500836 in words is "eleven billion, nine hundred one million, five hundred thousand, eight hundred thirty-six".