10520414255555 has 4 divisors (see below), whose sum is σ = 12624497106672. Its totient is φ = 8416331404440.

The previous prime is 10520414255551. The next prime is 10520414255573. The reversal of 10520414255555 is 55555241402501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10520414255555 - 2² = 10520414255551 is a prime.

It is a super-2 number, since 2×10520414255555² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052041425551 + ... + 1052041425560.

It is an arithmetic number, because the mean of its divisors is an integer number (3156124276668).

Almost surely, 2^{10520414255555} is an apocalyptic number.

10520414255555 is a deficient number, since it is larger than the sum of its proper divisors (2104082851117).

10520414255555 is an equidigital number, since it uses as much as digits as its factorization.

10520414255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104082851116.

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 10520414255555 in words is "ten trillion, five hundred twenty billion, four hundred fourteen million, two hundred fifty-five thousand, five hundred fifty-five".