11546220454065 has 32 divisors (see below), whose sum is σ = 22392669974400. Its totient is φ = 5598167492160.

The previous prime is 11546220454063. The next prime is 11546220454073. The reversal of 11546220454065 is 56045402264511.

11546220454065 is a `hidden beast` number, since 1 + 1 + 5 + 46 + 2 + 2 + 0 + 4 + 540 + 65 = 666.

It is not a de Polignac number, because 11546220454065 - 2¹ = 11546220454063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11546220454065.

It is not an unprimeable number, because it can be changed into a prime (11546220454061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3887614830 + ... + 3887617799.

It is an arithmetic number, because the mean of its divisors is an integer number (699770936700).

Almost surely, 2^{11546220454065} is an apocalyptic number.

11546220454065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11546220454065 is a deficient number, since it is larger than the sum of its proper divisors (10846449520335).

11546220454065 is a wasteful number, since it uses less digits than its factorization.

11546220454065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775232654 (or 7775232648 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 11546220454065 in words is "eleven trillion, five hundred forty-six billion, two hundred twenty million, four hundred fifty-four thousand, sixty-five".