13445355553215 has 8 divisors (see below), whose sum is σ = 21512568885168. Its totient is φ = 7170856295040.

The previous prime is 13445355553121. The next prime is 13445355553237. The reversal of 13445355553215 is 51235555354431.

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

It is not a de Polignac number, because 13445355553215 - 2¹¹ = 13445355551167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448178518426 + ... + 448178518455.

It is an arithmetic number, because the mean of its divisors is an integer number (2689071110646).

Almost surely, 2^{13445355553215} is an apocalyptic number.

13445355553215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13445355553215 is a deficient number, since it is larger than the sum of its proper divisors (8067213331953).

13445355553215 is an equidigital number, since it uses as much as digits as its factorization.

13445355553215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896357036889.

The product of its digits is 13500000, while the sum is 51.

The spelling of 13445355553215 in words is "thirteen trillion, four hundred forty-five billion, three hundred fifty-five million, five hundred fifty-three thousand, two hundred fifteen".