10115020049 has 2 divisors, whose sum is σ = 10115020050. Its totient is φ = 10115020048.

The previous prime is 10115020033. The next prime is 10115020051. The reversal of 10115020049 is 94002051101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6819456400 + 3295563649 = 82580^2 + 57407^2 .

It is a cyclic number.

It is not a de Polignac number, because 10115020049 - 2⁴ = 10115020033 is a prime.

Together with 10115020051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10115020099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057510024 + 5057510025.

It is an arithmetic number, because the mean of its divisors is an integer number (5057510025).

Almost surely, 2^10115020049 is an apocalyptic number.

It is an amenable number.

10115020049 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115020049 is an equidigital number, since it uses as much as digits as its factorization.

10115020049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 10115020049 in words is "ten billion, one hundred fifteen million, twenty thousand, forty-nine".