13005551322 has 40 divisors (see below), whose sum is σ = 29177777376. Its totient is φ = 4329871848.

The previous prime is 13005551311. The next prime is 13005551347. The reversal of 13005551322 is 22315550031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84553 + ... + 182099.

Almost surely, 2^13005551322 is an apocalyptic number.

13005551322 is an abundant number, since it is smaller than the sum of its proper divisors (16172226054).

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

13005551322 is an equidigital number, since it uses as much as digits as its factorization.

13005551322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98384 (or 98375 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 13005551322 in words is "thirteen billion, five million, five hundred fifty-one thousand, three hundred twenty-two".