13323001551 has 16 divisors (see below), whose sum is σ = 19037336064. Its totient is φ = 8266208544.

The previous prime is 13323001501. The next prime is 13323001673. The reversal of 13323001551 is 15510032331.

It is not a de Polignac number, because 13323001551 - 2¹⁵ = 13322968783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323001501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2606731 + ... + 2611836.

It is an arithmetic number, because the mean of its divisors is an integer number (1189833504).

Almost surely, 2^13323001551 is an apocalyptic number.

13323001551 is a deficient number, since it is larger than the sum of its proper divisors (5714334513).

13323001551 is a wasteful number, since it uses less digits than its factorization.

13323001551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218630.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 13323001551 its reverse (15510032331), we get a palindrome (28833033882).

The spelling of 13323001551 in words is "thirteen billion, three hundred twenty-three million, one thousand, five hundred fifty-one".