11972945355335 has 16 divisors (see below), whose sum is σ = 15217484320800. Its totient is φ = 9012078637056.

The previous prime is 11972945355311. The next prime is 11972945355347. The reversal of 11972945355335 is 53355354927911.

It is not a de Polignac number, because 11972945355335 - 2¹² = 11972945351239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21955025 + ... + 22493754.

It is an arithmetic number, because the mean of its divisors is an integer number (951092770050).

Almost surely, 2^{11972945355335} is an apocalyptic number.

11972945355335 is a deficient number, since it is larger than the sum of its proper divisors (3244538965465).

11972945355335 is a wasteful number, since it uses less digits than its factorization.

11972945355335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44451970.

The product of its digits is 76545000, while the sum is 62.

The spelling of 11972945355335 in words is "eleven trillion, nine hundred seventy-two billion, nine hundred forty-five million, three hundred fifty-five thousand, three hundred thirty-five".