11545304005551 has 8 divisors (see below), whose sum is σ = 15393950769280. Its totient is φ = 7696763289432.

The previous prime is 11545304005517. The next prime is 11545304005591. The reversal of 11545304005551 is 15550040354511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11545304005551 - 2¹⁰ = 11545304004527 is a prime.

It is a super-3 number, since 3×11545304005551³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545304005511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26257525 + ... + 26693598.

It is an arithmetic number, because the mean of its divisors is an integer number (1924243846160).

Almost surely, 2^{11545304005551} is an apocalyptic number.

11545304005551 is a deficient number, since it is larger than the sum of its proper divisors (3848646763729).

11545304005551 is an equidigital number, since it uses as much as digits as its factorization.

11545304005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53023805.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 11545304005551 in words is "eleven trillion, five hundred forty-five billion, three hundred four million, five thousand, five hundred fifty-one".