13155697408 has 36 divisors (see below), whose sum is σ = 30011438800. Its totient is φ = 5638155264.

The previous prime is 13155697283. The next prime is 13155697411. The reversal of 13155697408 is 80479655131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668883 + ... + 3672466.

Almost surely, 2^13155697408 is an apocalyptic number.

It is an amenable number.

13155697408 is an abundant number, since it is smaller than the sum of its proper divisors (16855741392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13155697408 is an frugal number, since it uses more digits than its factorization.

13155697408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7341372 (or 7341358 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 13155697408 in words is "thirteen billion, one hundred fifty-five million, six hundred ninety-seven thousand, four hundred eight".