2515120061563 has 4 divisors (see below), whose sum is σ = 2515123276128. Its totient is φ = 2515116847000.

The previous prime is 2515120061491. The next prime is 2515120061567. The reversal of 2515120061563 is 3651600215152.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2515120061563 - 2¹³ = 2515120053371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515120061567) 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 3 ways as a sum of consecutive naturals, for example, 411813 + ... + 2280313.

It is an arithmetic number, because the mean of its divisors is an integer number (628780819032).

Almost surely, 2^{2515120061563} is an apocalyptic number.

2515120061563 is a deficient number, since it is larger than the sum of its proper divisors (3214565).

2515120061563 is a wasteful number, since it uses less digits than its factorization.

2515120061563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214564.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 2515120061563 in words is "two trillion, five hundred fifteen billion, one hundred twenty million, sixty-one thousand, five hundred sixty-three".