11335521142 has 16 divisors (see below), whose sum is σ = 18551535552. Its totient is φ = 5151814920.

The previous prime is 11335521133. The next prime is 11335521149. The reversal of 11335521142 is 24112553311.

It is a self number, because there is not a number n which added to its sum of digits gives 11335521142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11335521149) 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, 155233 + ... + 216259.

It is an arithmetic number, because the mean of its divisors is an integer number (1159470972).

Almost surely, 2^11335521142 is an apocalyptic number.

11335521142 is a deficient number, since it is larger than the sum of its proper divisors (7216014410).

11335521142 is a wasteful number, since it uses less digits than its factorization.

11335521142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69483.

The product of its digits is 3600, while the sum is 28.

The spelling of 11335521142 in words is "eleven billion, three hundred thirty-five million, five hundred twenty-one thousand, one hundred forty-two".