11342100521 has 12 divisors (see below), whose sum is σ = 11976477444. Its totient is φ = 10739757600.

The previous prime is 11342100503. The next prime is 11342100527. The reversal of 11342100521 is 12500124311.

It can be written as a sum of positive squares in 2 ways, for example, as 9316110400 + 2025990121 = 96520^2 + 45011^2 .

It is not a de Polignac number, because 11342100521 - 2¹⁰ = 11342099497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11342100493 and 11342100502.

It is not an unprimeable number, because it can be changed into a prime (11342100527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 838391 + ... + 851811.

It is an arithmetic number, because the mean of its divisors is an integer number (998039787).

Almost surely, 2^11342100521 is an apocalyptic number.

It is an amenable number.

11342100521 is a deficient number, since it is larger than the sum of its proper divisors (634376923).

11342100521 is a wasteful number, since it uses less digits than its factorization.

11342100521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800 (or 15781 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11342100521 its reverse (12500124311), we get a palindrome (23842224832).

The spelling of 11342100521 in words is "eleven billion, three hundred forty-two million, one hundred thousand, five hundred twenty-one".