13105405411250 has 80 divisors (see below), whose sum is σ = 25237769597304. Its totient is φ = 5098645440000.

The previous prime is 13105405411229. The next prime is 13105405411291. The reversal of 13105405411250 is 5211450450131.

It can be written as a sum of positive squares in 20 ways, for example, as 2054122434841 + 11051282976409 = 1433221^2 + 3324347^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132086660 + ... + 132185840.

Almost surely, 2^{13105405411250} is an apocalyptic number.

13105405411250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105405411250 is a deficient number, since it is larger than the sum of its proper divisors (12132364186054).

13105405411250 is an equidigital number, since it uses as much as digits as its factorization.

13105405411250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102097 (or 102082 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 13105405411250 its reverse (5211450450131), we get a palindrome (18316855861381).

The spelling of 13105405411250 in words is "thirteen trillion, one hundred five billion, four hundred five million, four hundred eleven thousand, two hundred fifty".