15420103133 has 4 divisors (see below), whose sum is σ = 15447204060. Its totient is φ = 15393002208.

The previous prime is 15420103099. The next prime is 15420103169. The reversal of 15420103133 is 33130102451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33130102451 = 23 ⋅1440439237.

It can be written as a sum of positive squares in 2 ways, for example, as 10104672484 + 5315430649 = 100522^2 + 72907^2 .

It is a cyclic number.

It is not a de Polignac number, because 15420103133 - 2²⁶ = 15352994269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15420103099 and 15420103108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15420103183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13549610 + ... + 13550747.

It is an arithmetic number, because the mean of its divisors is an integer number (3861801015).

Almost surely, 2^15420103133 is an apocalyptic number.

It is an amenable number.

15420103133 is a deficient number, since it is larger than the sum of its proper divisors (27100927).

15420103133 is an equidigital number, since it uses as much as digits as its factorization.

15420103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100926.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 15420103133 its reverse (33130102451), we get a palindrome (48550205584).

The spelling of 15420103133 in words is "fifteen billion, four hundred twenty million, one hundred three thousand, one hundred thirty-three".