11439835534901 has 16 divisors (see below), whose sum is σ = 12134448036864. Its totient is φ = 10747649286144.

The previous prime is 11439835534873. The next prime is 11439835534913. The reversal of 11439835534901 is 10943553893411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11439835534901 - 2⁶ = 11439835534837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11439835534991) by changing a digit.

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, 21037826 + ... + 21574748.

It is an arithmetic number, because the mean of its divisors is an integer number (758403002304).

Almost surely, 2^{11439835534901} is an apocalyptic number.

It is an amenable number.

11439835534901 is a deficient number, since it is larger than the sum of its proper divisors (694612501963).

11439835534901 is a wasteful number, since it uses less digits than its factorization.

11439835534901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539180.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 11439835534901 in words is "eleven trillion, four hundred thirty-nine billion, eight hundred thirty-five million, five hundred thirty-four thousand, nine hundred one".