10520540125211 has 16 divisors (see below), whose sum is σ = 12042589664160. Its totient is φ = 9127015303680.

The previous prime is 10520540125171. The next prime is 10520540125237. The reversal of 10520540125211 is 11252104502501.

It is a cyclic number.

It is not a de Polignac number, because 10520540125211 - 2²² = 10520535930907 is a prime.

It is a super-2 number, since 2×10520540125211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520540125261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440141180 + ... + 440165081.

It is an arithmetic number, because the mean of its divisors is an integer number (752661854010).

Almost surely, 2^{10520540125211} is an apocalyptic number.

10520540125211 is a deficient number, since it is larger than the sum of its proper divisors (1522049538949).

10520540125211 is a wasteful number, since it uses less digits than its factorization.

10520540125211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880306334.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 10520540125211 its reverse (11252104502501), we get a palindrome (21772644627712).

The spelling of 10520540125211 in words is "ten trillion, five hundred twenty billion, five hundred forty million, one hundred twenty-five thousand, two hundred eleven".