11212445553001 has 27 divisors (see below), whose sum is σ = 14336904102717. Its totient is φ = 8736769650840.

The previous prime is 11212445552981. The next prime is 11212445553017. The reversal of 11212445553001 is 10035554421211.

The square root of 11212445553001 is 3348499.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 11212445553001 - 2⁷ = 11212445552873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212445553031) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 257812680 + ... + 257856166.

Almost surely, 2^{11212445553001} is an apocalyptic number.

11212445553001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11212445553001 is the 3348499-th square number.

11212445553001 is the 1674250-th centered octagonal number.

It is an amenable number.

11212445553001 is a deficient number, since it is larger than the sum of its proper divisors (3124458549716).

11212445553001 is an frugal number, since it uses more digits than its factorization.

11212445553001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87010 (or 43505 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 11212445553001 its reverse (10035554421211), we get a palindrome (21247999974212).

The spelling of 11212445553001 in words is "eleven trillion, two hundred twelve billion, four hundred forty-five million, five hundred fifty-three thousand, one".