11522301428 has 12 divisors (see below), whose sum is σ = 21997120992. Its totient is φ = 5237409720.

The previous prime is 11522301409. The next prime is 11522301449. The reversal of 11522301428 is 82410322511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11522301428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130935200 + ... + 130935287.

It is an arithmetic number, because the mean of its divisors is an integer number (1833093416).

Almost surely, 2^11522301428 is an apocalyptic number.

It is an amenable number.

11522301428 is a deficient number, since it is larger than the sum of its proper divisors (10474819564).

11522301428 is a wasteful number, since it uses less digits than its factorization.

11522301428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261870502 (or 261870500 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 11522301428 its reverse (82410322511), we get a palindrome (93932623939).

The spelling of 11522301428 in words is "eleven billion, five hundred twenty-two million, three hundred one thousand, four hundred twenty-eight".