10520414255556 has 60 divisors (see below), whose sum is σ = 28450801029420. Its totient is φ = 3385880447040.

The previous prime is 10520414255551. The next prime is 10520414255573. The reversal of 10520414255556 is 65555241402501.

It is a happy number.

10520414255556 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 0 + 4 + 1 + 42 + 55 + 556 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7729456436100 + 2790957819456 = 2780190^2 + 1670616^2 .

It is a super-2 number, since 2×10520414255556² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10520414255551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 559825335 + ... + 559844126.

It is an arithmetic number, because the mean of its divisors is an integer number (474180017157).

Almost surely, 2^{10520414255556} is an apocalyptic number.

It is an amenable number.

10520414255556 is an abundant number, since it is smaller than the sum of its proper divisors (17930386773864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10520414255556 is a wasteful number, since it uses less digits than its factorization.

10520414255556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119669506 (or 1119669495 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 10520414255556 in words is "ten trillion, five hundred twenty billion, four hundred fourteen million, two hundred fifty-five thousand, five hundred fifty-six".