13350611551 has 4 divisors (see below), whose sum is σ = 13364194032. Its totient is φ = 13337029072.

The previous prime is 13350611537. The next prime is 13350611569. The reversal of 13350611551 is 15511605331.

It is a happy number.

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 13350611551 - 2⁷ = 13350611423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13350611591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6789766 + ... + 6791731.

It is an arithmetic number, because the mean of its divisors is an integer number (3341048508).

Almost surely, 2^13350611551 is an apocalyptic number.

13350611551 is a deficient number, since it is larger than the sum of its proper divisors (13582481).

13350611551 is an equidigital number, since it uses as much as digits as its factorization.

13350611551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13582480.

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 13350611551 in words is "thirteen billion, three hundred fifty million, six hundred eleven thousand, five hundred fifty-one".