13385356501 has 12 divisors (see below), whose sum is σ = 14715851500. Its totient is φ = 12166007040.

The previous prime is 13385356489. The next prime is 13385356559. The reversal of 13385356501 is 10565358331.

It can be written as a sum of positive squares in 2 ways, for example, as 3387356401 + 9998000100 = 58201^2 + 99990^2 .

It is not a de Polignac number, because 13385356501 - 2⁹ = 13385355989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13385356571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847525 + ... + 863173.

Almost surely, 2^13385356501 is an apocalyptic number.

13385356501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13385356501 is a deficient number, since it is larger than the sum of its proper divisors (1330494999).

13385356501 is a wasteful number, since it uses less digits than its factorization.

13385356501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22740 (or 22729 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 13385356501 in words is "thirteen billion, three hundred eighty-five million, three hundred fifty-six thousand, five hundred one".