2257196016505 has 16 divisors (see below), whose sum is σ = 2922079288464. Its totient is φ = 1667469107200.

The previous prime is 2257196016503. The next prime is 2257196016541. The reversal of 2257196016505 is 5056106917522.

It can be written as a sum of positive squares in 8 ways, for example, as 25246667664 + 2231949348841 = 158892^2 + 1493971^2 .

It is not a de Polignac number, because 2257196016505 - 2¹ = 2257196016503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257196016503) 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 in 15 ways as a sum of consecutive naturals, for example, 250516696 + ... + 250525705.

It is an arithmetic number, because the mean of its divisors is an integer number (182629955529).

Almost surely, 2^{2257196016505} is an apocalyptic number.

It is an amenable number.

2257196016505 is a deficient number, since it is larger than the sum of its proper divisors (664883271959).

2257196016505 is a wasteful number, since it uses less digits than its factorization.

2257196016505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501042476.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 2257196016505 in words is "two trillion, two hundred fifty-seven billion, one hundred ninety-six million, sixteen thousand, five hundred five".