13105401515620 has 48 divisors (see below), whose sum is σ = 27569435785920. Its totient is φ = 5233007235456.

The previous prime is 13105401515537. The next prime is 13105401515621. The reversal of 13105401515620 is 2651510450131.

It is a super-2 number, since 2×13105401515620² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13105401515621) 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, 29379774 + ... + 29822506.

It is an arithmetic number, because the mean of its divisors is an integer number (574363245540).

Almost surely, 2^{13105401515620} is an apocalyptic number.

13105401515620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13105401515620 is an abundant number, since it is smaller than the sum of its proper divisors (14464034270300).

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

13105401515620 is a wasteful number, since it uses less digits than its factorization.

13105401515620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445324 (or 445322 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 13105401515620 its reverse (2651510450131), we get a palindrome (15756911965751).

The spelling of 13105401515620 in words is "thirteen trillion, one hundred five billion, four hundred one million, five hundred fifteen thousand, six hundred twenty".