10520542330125 has 64 divisors (see below), whose sum is σ = 17598190930944. Its totient is φ = 5581543334400.

The previous prime is 10520542330073. The next prime is 10520542330139. The reversal of 10520542330125 is 52103324502501.

It is not a de Polignac number, because 10520542330125 - 2⁹ = 10520542329613 is a prime.

It is a super-2 number, since 2×10520542330125² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 54540849 + ... + 54733401.

It is an arithmetic number, because the mean of its divisors is an integer number (274971733296).

Almost surely, 2^{10520542330125} is an apocalyptic number.

10520542330125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10520542330125 is a deficient number, since it is larger than the sum of its proper divisors (7077648600819).

10520542330125 is a wasteful number, since it uses less digits than its factorization.

10520542330125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193335 (or 193325 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 10520542330125 its reverse (52103324502501), we get a palindrome (62623866832626).

It can be divided in two parts, 10520 and 542330125, that added together give a triangular number (542340645 = T₃₂₉₃₄).

The spelling of 10520542330125 in words is "ten trillion, five hundred twenty billion, five hundred forty-two million, three hundred thirty thousand, one hundred twenty-five".