13325551215 has 32 divisors (see below), whose sum is σ = 21548457216. Its totient is φ = 7031431680.

The previous prime is 13325551139. The next prime is 13325551237. The reversal of 13325551215 is 51215552331.

It is a happy number.

It is not a de Polignac number, because 13325551215 - 2¹⁹ = 13325026927 is a prime.

It is a super-3 number, since 3×13325551215³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652144 + ... + 672266.

It is an arithmetic number, because the mean of its divisors is an integer number (673389288).

Almost surely, 2^13325551215 is an apocalyptic number.

13325551215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13325551215 is a deficient number, since it is larger than the sum of its proper divisors (8222906001).

13325551215 is a wasteful number, since it uses less digits than its factorization.

13325551215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20599.

The product of its digits is 22500, while the sum is 33.

The spelling of 13325551215 in words is "thirteen billion, three hundred twenty-five million, five hundred fifty-one thousand, two hundred fifteen".