11550310401 has 8 divisors (see below), whose sum is σ = 17600473024. Its totient is φ = 6600177360.

The previous prime is 11550310399. The next prime is 11550310417. The reversal of 11550310401 is 10401305511.

It is a happy number.

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

It is not a de Polignac number, because 11550310401 - 2¹ = 11550310399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 550014781 = 11550310401 / (1 + 1 + 5 + 5 + 0 + 3 + 1 + 0 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11550310451) 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, 275007370 + ... + 275007411.

It is an arithmetic number, because the mean of its divisors is an integer number (2200059128).

Almost surely, 2^11550310401 is an apocalyptic number.

It is an amenable number.

11550310401 is a deficient number, since it is larger than the sum of its proper divisors (6050162623).

11550310401 is an equidigital number, since it uses as much as digits as its factorization.

11550310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550014791.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11550310401 its reverse (10401305511), we get a palindrome (21951615912).

The spelling of 11550310401 in words is "eleven billion, five hundred fifty million, three hundred ten thousand, four hundred one".