2488078317561 has 4 divisors (see below), whose sum is σ = 3317437756752. Its totient is φ = 1658718878372.

The previous prime is 2488078317509. The next prime is 2488078317577. The reversal of 2488078317561 is 1657138708842.

2488078317561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2488078317561 - 2⁷ = 2488078317433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2488078317495 and 2488078317504.

It is not an unprimeable number, because it can be changed into a prime (2488078317061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414679719591 + ... + 414679719596.

It is an arithmetic number, because the mean of its divisors is an integer number (829359439188).

Almost surely, 2^{2488078317561} is an apocalyptic number.

It is an amenable number.

2488078317561 is a deficient number, since it is larger than the sum of its proper divisors (829359439191).

2488078317561 is an equidigital number, since it uses as much as digits as its factorization.

2488078317561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829359439190.

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 2488078317561 in words is "two trillion, four hundred eighty-eight billion, seventy-eight million, three hundred seventeen thousand, five hundred sixty-one".