11554545051513 has 16 divisors (see below), whose sum is σ = 17118125270400. Its totient is φ = 7702903697040.

The previous prime is 11554545051503. The next prime is 11554545051551. The reversal of 11554545051513 is 31515054545511.

11554545051513 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 4 + 545 + 0 + 51 + 51 + 3 = 666.

It is not a de Polignac number, because 11554545051513 - 2²⁴ = 11554528274297 is a prime.

It is a super-2 number, since 2×11554545051513² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11554545051503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817818 + ... + 5139411.

It is an arithmetic number, because the mean of its divisors is an integer number (1069882829400).

Almost surely, 2^{11554545051513} is an apocalyptic number.

It is an amenable number.

11554545051513 is a deficient number, since it is larger than the sum of its proper divisors (5563580218887).

11554545051513 is an equidigital number, since it uses as much as digits as its factorization.

11554545051513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018749 (or 7018743 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 45.

The spelling of 11554545051513 in words is "eleven trillion, five hundred fifty-four billion, five hundred forty-five million, fifty-one thousand, five hundred thirteen".