11445512315211 has 48 divisors (see below), whose sum is σ = 18047255466240. Its totient is φ = 6947729337600.

The previous prime is 11445512315201. The next prime is 11445512315231. The reversal of 11445512315211 is 11251321554411.

It is a happy number.

11445512315211 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 5 + 5 + 123 + 1 + 521 + 1 = 666.

It is not a de Polignac number, because 11445512315211 - 2⁶ = 11445512315147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11445512315201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1378470 + ... + 4979076.

It is an arithmetic number, because the mean of its divisors is an integer number (375984488880).

Almost surely, 2^{11445512315211} is an apocalyptic number.

11445512315211 is a deficient number, since it is larger than the sum of its proper divisors (6601743151029).

11445512315211 is a wasteful number, since it uses less digits than its factorization.

11445512315211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600996 (or 3600993 counting only the distinct ones).

The product of its digits is 24000, while the sum is 36.

Adding to 11445512315211 its reverse (11251321554411), we get a palindrome (22696833869622).

The spelling of 11445512315211 in words is "eleven trillion, four hundred forty-five billion, five hundred twelve million, three hundred fifteen thousand, two hundred eleven".