13200311023540 has 48 divisors (see below), whose sum is σ = 27840717083088. Its totient is φ = 5257256868864.

The previous prime is 13200311023531. The next prime is 13200311023553. The reversal of 13200311023540 is 4532011300231.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2317622595876 + 10882688427664 = 1522374^2 + 3298892^2 .

It is a super-2 number, since 2×13200311023540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185120134 + ... + 185191426.

It is an arithmetic number, because the mean of its divisors is an integer number (580014939231).

Almost surely, 2^{13200311023540} is an apocalyptic number.

13200311023540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13200311023540 is an abundant number, since it is smaller than the sum of its proper divisors (14640406059548).

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

13200311023540 is a wasteful number, since it uses less digits than its factorization.

13200311023540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111268 (or 111266 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13200311023540 its reverse (4532011300231), we get a palindrome (17732322323771).

The spelling of 13200311023540 in words is "thirteen trillion, two hundred billion, three hundred eleven million, twenty-three thousand, five hundred forty".