10520423200405 has 16 divisors (see below), whose sum is σ = 12882588461568. Its totient is φ = 8245384200000.

The previous prime is 10520423200381. The next prime is 10520423200429. The reversal of 10520423200405 is 50400232402501.

10520423200405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10520423200381) and next prime (10520423200429).

It is not a de Polignac number, because 10520423200405 - 2¹⁹ = 10520422676117 is a prime.

It is a super-2 number, since 2×10520423200405² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 68634981 + ... + 68788090.

It is an arithmetic number, because the mean of its divisors is an integer number (805161778848).

Almost surely, 2^{10520423200405} is an apocalyptic number.

It is an amenable number.

10520423200405 is a deficient number, since it is larger than the sum of its proper divisors (2362165261163).

10520423200405 is a wasteful number, since it uses less digits than its factorization.

10520423200405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137423388.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 10520423200405 its reverse (50400232402501), we get a palindrome (60920655602906).

The spelling of 10520423200405 in words is "ten trillion, five hundred twenty billion, four hundred twenty-three million, two hundred thousand, four hundred five".