4015015883257 has 2 divisors, whose sum is σ = 4015015883258. Its totient is φ = 4015015883256.

The previous prime is 4015015883213. The next prime is 4015015883309. The reversal of 4015015883257 is 7523885105104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3538081998441 + 476933884816 = 1880979^2 + 690604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4015015883257 is a prime.

It is a super-2 number, since 2×4015015883257² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4015015883257.

It is not a weakly prime, because it can be changed into another prime (4015015887257) 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, 2007507941628 + 2007507941629.

It is an arithmetic number, because the mean of its divisors is an integer number (2007507941629).

Almost surely, 2^{4015015883257} is an apocalyptic number.

It is an amenable number.

4015015883257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4015015883257 is an equidigital number, since it uses as much as digits as its factorization.

4015015883257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 4015015883257 in words is "four trillion, fifteen billion, fifteen million, eight hundred eighty-three thousand, two hundred fifty-seven".