2515127627561 has 2 divisors, whose sum is σ = 2515127627562. Its totient is φ = 2515127627560.

The previous prime is 2515127627543. The next prime is 2515127627647. The reversal of 2515127627561 is 1657267215152.

2515127627561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2278119310336 + 237008317225 = 1509344^2 + 486835^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515127627561 - 2⁶ = 2515127627497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2515127624561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257563813780 + 1257563813781.

It is an arithmetic number, because the mean of its divisors is an integer number (1257563813781).

Almost surely, 2^{2515127627561} is an apocalyptic number.

It is an amenable number.

2515127627561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515127627561 is an equidigital number, since it uses as much as digits as its factorization.

2515127627561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764000, while the sum is 50.

The spelling of 2515127627561 in words is "two trillion, five hundred fifteen billion, one hundred twenty-seven million, six hundred twenty-seven thousand, five hundred sixty-one".