11453112541215 has 96 divisors (see below), whose sum is σ = 21049548728832. Its totient is φ = 5750631936000.

The previous prime is 11453112541181. The next prime is 11453112541217. The reversal of 11453112541215 is 51214521135411.

It is a happy number.

11453112541215 is a `hidden beast` number, since 11 + 45 + 31 + 12 + 541 + 21 + 5 = 666.

It is not a de Polignac number, because 11453112541215 - 2⁹ = 11453112540703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11453112541215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453112541217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 448057035 + ... + 448082595.

It is an arithmetic number, because the mean of its divisors is an integer number (219266132592).

Almost surely, 2^{11453112541215} is an apocalyptic number.

11453112541215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11453112541215 is a deficient number, since it is larger than the sum of its proper divisors (9596436187617).

11453112541215 is a wasteful number, since it uses less digits than its factorization.

11453112541215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34321 (or 34318 counting only the distinct ones).

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

Adding to 11453112541215 its reverse (51214521135411), we get a palindrome (62667633676626).

The spelling of 11453112541215 in words is "eleven trillion, four hundred fifty-three billion, one hundred twelve million, five hundred forty-one thousand, two hundred fifteen".