11211324061 has 4 divisors (see below), whose sum is σ = 12812941792. Its totient is φ = 9609706332.

The previous prime is 11211324001. The next prime is 11211324133. The reversal of 11211324061 is 16042311211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11211324061 - 2¹⁵ = 11211291293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211324001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800808855 + ... + 800808868.

It is an arithmetic number, because the mean of its divisors is an integer number (3203235448).

Almost surely, 2^11211324061 is an apocalyptic number.

It is an amenable number.

11211324061 is a deficient number, since it is larger than the sum of its proper divisors (1601617731).

11211324061 is an equidigital number, since it uses as much as digits as its factorization.

11211324061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601617730.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11211324061 its reverse (16042311211), we get a palindrome (27253635272).

The spelling of 11211324061 in words is "eleven billion, two hundred eleven million, three hundred twenty-four thousand, sixty-one".