13405103120 has 40 divisors (see below), whose sum is σ = 31829998464. Its totient is φ = 5247953792.

The previous prime is 13405103119. The next prime is 13405103123. The reversal of 13405103120 is 2130150431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13405103092 and 13405103101.

It is not an unprimeable number, because it can be changed into a prime (13405103123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778834 + ... + 1786353.

Almost surely, 2^13405103120 is an apocalyptic number.

13405103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13405103120 is an abundant number, since it is smaller than the sum of its proper divisors (18424895344).

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

13405103120 is a wasteful number, since it uses less digits than its factorization.

13405103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565247 (or 3565241 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13405103120 its reverse (2130150431), we get a palindrome (15535253551).

The spelling of 13405103120 in words is "thirteen billion, four hundred five million, one hundred three thousand, one hundred twenty".