13105405254020 has 96 divisors (see below), whose sum is σ = 28877985077760. Its totient is φ = 4991668346880.

The previous prime is 13105405253981. The next prime is 13105405254023. The reversal of 13105405254020 is 2045250450131.

13105405254020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13105405254023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4161560 + ... + 6597680.

It is an arithmetic number, because the mean of its divisors is an integer number (300812344560).

Almost surely, 2^{13105405254020} is an apocalyptic number.

13105405254020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13105405254020 is an abundant number, since it is smaller than the sum of its proper divisors (15772579823740).

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

13105405254020 is a wasteful number, since it uses less digits than its factorization.

13105405254020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436333 (or 2436331 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 13105405254020 in words is "thirteen trillion, one hundred five billion, four hundred five million, two hundred fifty-four thousand, twenty".