13225511320 has 32 divisors (see below), whose sum is σ = 34008458400. Its totient is φ = 4534460928.

The previous prime is 13225511293. The next prime is 13225511347. The reversal of 13225511320 is 2311552231.

It is an interprime number because it is at equal distance from previous prime (13225511293) and next prime (13225511347).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23616705 + ... + 23617264.

It is an arithmetic number, because the mean of its divisors is an integer number (1062764325).

Almost surely, 2^13225511320 is an apocalyptic number.

13225511320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13225511320 is an abundant number, since it is smaller than the sum of its proper divisors (20782947080).

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

13225511320 is a wasteful number, since it uses less digits than its factorization.

13225511320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47233987 (or 47233983 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 13225511320 in words is "thirteen billion, two hundred twenty-five million, five hundred eleven thousand, three hundred twenty".