10520423155003 has 4 divisors (see below), whose sum is σ = 10618744866840. Its totient is φ = 10422101443168.

The previous prime is 10520423154991. The next prime is 10520423155013. The reversal of 10520423155003 is 30055132402501.

10520423155003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10520423155003 is a prime.

It is a super-2 number, since 2×10520423155003² (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 (10520423155013) 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, 49160855758 + ... + 49160855971.

It is an arithmetic number, because the mean of its divisors is an integer number (2654686216710).

Almost surely, 2^{10520423155003} is an apocalyptic number.

10520423155003 is a deficient number, since it is larger than the sum of its proper divisors (98321711837).

10520423155003 is an equidigital number, since it uses as much as digits as its factorization.

10520423155003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98321711836.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 10520423155003 its reverse (30055132402501), we get a palindrome (40575555557504).

The spelling of 10520423155003 in words is "ten trillion, five hundred twenty billion, four hundred twenty-three million, one hundred fifty-five thousand, three".