13325211532540 has 24 divisors (see below), whose sum is σ = 28244467066032. Its totient is φ = 5280270737280.

The previous prime is 13325211532487. The next prime is 13325211532609. The reversal of 13325211532540 is 4523511252331.

It is a happy number.

It is a super-2 number, since 2×13325211532540² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13325211532540.

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, 3113365041 + ... + 3113369320.

It is an arithmetic number, because the mean of its divisors is an integer number (1176852794418).

Almost surely, 2^{13325211532540} is an apocalyptic number.

13325211532540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13325211532540 is an abundant number, since it is smaller than the sum of its proper divisors (14919255533492).

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

13325211532540 is a wasteful number, since it uses less digits than its factorization.

13325211532540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226734477 (or 6226734475 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 13325211532540 its reverse (4523511252331), we get a palindrome (17848722784871).

The spelling of 13325211532540 in words is "thirteen trillion, three hundred twenty-five billion, two hundred eleven million, five hundred thirty-two thousand, five hundred forty".