11450221541 has 8 divisors (see below), whose sum is σ = 13148580000. Its totient is φ = 9861434640.

The previous prime is 11450221513. The next prime is 11450221609. The reversal of 11450221541 is 14512205411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11450221541 - 2¹⁰ = 11450220517 is a prime.

It is a super-2 number, since 2×11450221541² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11450221541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450221511) 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, 27392666 + ... + 27393083.

It is an arithmetic number, because the mean of its divisors is an integer number (1643572500).

Almost surely, 2^11450221541 is an apocalyptic number.

11450221541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11450221541 is a deficient number, since it is larger than the sum of its proper divisors (1698358459).

11450221541 is a wasteful number, since it uses less digits than its factorization.

11450221541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54785779.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 11450221541 its reverse (14512205411), we get a palindrome (25962426952).

The spelling of 11450221541 in words is "eleven billion, four hundred fifty million, two hundred twenty-one thousand, five hundred forty-one".