13645130655251 has 4 divisors (see below), whose sum is σ = 14363295426600. Its totient is φ = 12926965883904.

The previous prime is 13645130655209. The next prime is 13645130655269. The reversal of 13645130655251 is 15255603154631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13645130655251 - 2³⁰ = 13644056913427 is a prime.

It is a super-3 number, since 3×13645130655251³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13645130655196 and 13645130655205.

It is not an unprimeable number, because it can be changed into a prime (13645130655271) 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 3 ways as a sum of consecutive naturals, for example, 359082385646 + ... + 359082385683.

It is an arithmetic number, because the mean of its divisors is an integer number (3590823856650).

Almost surely, 2^{13645130655251} is an apocalyptic number.

13645130655251 is a deficient number, since it is larger than the sum of its proper divisors (718164771349).

13645130655251 is an equidigital number, since it uses as much as digits as its factorization.

13645130655251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718164771348.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 13645130655251 in words is "thirteen trillion, six hundred forty-five billion, one hundred thirty million, six hundred fifty-five thousand, two hundred fifty-one".