10520130345 has 16 divisors (see below), whose sum is σ = 17242751232. Its totient is φ = 5473888640.

The previous prime is 10520130343. The next prime is 10520130347. The reversal of 10520130345 is 54303102501.

It is an interprime number because it is at equal distance from previous prime (10520130343) and next prime (10520130347).

It is not a de Polignac number, because 10520130345 - 2¹ = 10520130343 is a prime.

It is a super-2 number, since 2×10520130345² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10520130343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8552337 + ... + 8553566.

It is an arithmetic number, because the mean of its divisors is an integer number (1077671952).

Almost surely, 2^10520130345 is an apocalyptic number.

10520130345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10520130345 is a deficient number, since it is larger than the sum of its proper divisors (6722620887).

10520130345 is a wasteful number, since it uses less digits than its factorization.

10520130345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105952.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 10520130345 its reverse (54303102501), we get a palindrome (64823232846).

The spelling of 10520130345 in words is "ten billion, five hundred twenty million, one hundred thirty thousand, three hundred forty-five".