11721210533496 has 32 divisors (see below), whose sum is σ = 32558918149200. Its totient is φ = 3907070177760.

The previous prime is 11721210533491. The next prime is 11721210533521. The reversal of 11721210533496 is 69433501212711.

11721210533496 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 1 + 21 + 0 + 533 + 4 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11721210533491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27132431575 + ... + 27132432006.

Almost surely, 2^{11721210533496} is an apocalyptic number.

It is an amenable number.

11721210533496 is an abundant number, since it is smaller than the sum of its proper divisors (20837707615704).

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

11721210533496 is a wasteful number, since it uses less digits than its factorization.

11721210533496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54264863596 (or 54264863586 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 11721210533496 in words is "eleven trillion, seven hundred twenty-one billion, two hundred ten million, five hundred thirty-three thousand, four hundred ninety-six".