10403113520 has 80 divisors (see below), whose sum is σ = 24460675488. Its totient is φ = 4114360320.

The previous prime is 10403113489. The next prime is 10403113541. The reversal of 10403113520 is 2531130401.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 10403113492 and 10403113501.

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, 6513362 + ... + 6514958.

Almost surely, 2^10403113520 is an apocalyptic number.

10403113520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10403113520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12230337744).

10403113520 is an abundant number, since it is smaller than the sum of its proper divisors (14057561968).

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

10403113520 is a wasteful number, since it uses less digits than its factorization.

10403113520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2472 counting only the distinct ones).

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

Adding to 10403113520 its reverse (2531130401), we get a palindrome (12934243921).

The spelling of 10403113520 in words is "ten billion, four hundred three million, one hundred thirteen thousand, five hundred twenty".