11551463674209 has 12 divisors (see below), whose sum is σ = 16685500305552. Its totient is φ = 7700951424600.

The previous prime is 11551463674199. The next prime is 11551463674211. The reversal of 11551463674209 is 90247636415511.

11551463674209 is a `hidden beast` number, since 1 + 1 + 5 + 514 + 6 + 36 + 74 + 20 + 9 = 666.

It is not a de Polignac number, because 11551463674209 - 2⁹ = 11551463673697 is a prime.

It is a super-3 number, since 3×11551463674209³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11551463676209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1253074 + ... + 4967204.

It is an arithmetic number, because the mean of its divisors is an integer number (1390458358796).

Almost surely, 2^{11551463674209} is an apocalyptic number.

It is an amenable number.

11551463674209 is a deficient number, since it is larger than the sum of its proper divisors (5134036631343).

11551463674209 is a wasteful number, since it uses less digits than its factorization.

11551463674209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059708 (or 4059705 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 11551463674209 in words is "eleven trillion, five hundred fifty-one billion, four hundred sixty-three million, six hundred seventy-four thousand, two hundred nine".