2015251044047 has 2 divisors, whose sum is σ = 2015251044048. Its totient is φ = 2015251044046.

The previous prime is 2015251044017. The next prime is 2015251044119. The reversal of 2015251044047 is 7404401525102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015251044047 - 2⁸ = 2015251043791 is a prime.

It is a super-2 number, since 2×2015251044047² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2015251043998 and 2015251044016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015251044017) 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 as a sum of consecutive naturals, namely, 1007625522023 + 1007625522024.

It is an arithmetic number, because the mean of its divisors is an integer number (1007625522024).

Almost surely, 2^{2015251044047} is an apocalyptic number.

2015251044047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015251044047 is an equidigital number, since it uses as much as digits as its factorization.

2015251044047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 35.

Adding to 2015251044047 its reverse (7404401525102), we get a palindrome (9419652569149).

The spelling of 2015251044047 in words is "two trillion, fifteen billion, two hundred fifty-one million, forty-four thousand, forty-seven".