13011215053420 has 48 divisors (see below), whose sum is σ = 28267108392096. Its totient is φ = 5027274560000.

The previous prime is 13011215053373. The next prime is 13011215053439. The reversal of 13011215053420 is 2435051211031.

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, 78468346 + ... + 78633985.

It is an arithmetic number, because the mean of its divisors is an integer number (588898091502).

Almost surely, 2^{13011215053420} is an apocalyptic number.

13011215053420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011215053420 is an abundant number, since it is smaller than the sum of its proper divisors (15255893338676).

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

13011215053420 is a wasteful number, since it uses less digits than its factorization.

13011215053420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157102482 (or 157102480 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13011215053420 its reverse (2435051211031), we get a palindrome (15446266264451).

The spelling of 13011215053420 in words is "thirteen trillion, eleven billion, two hundred fifteen million, fifty-three thousand, four hundred twenty".