2461587615221 has 16 divisors (see below), whose sum is σ = 2816064582144. Its totient is φ = 2107816556544.

The previous prime is 2461587615197. The next prime is 2461587615229. The reversal of 2461587615221 is 1225167851642.

2461587615221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2461587615221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2461587615221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461587615229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77570660 + ... + 77602386.

It is an arithmetic number, because the mean of its divisors is an integer number (176004036384).

Almost surely, 2^{2461587615221} is an apocalyptic number.

It is an amenable number.

2461587615221 is a deficient number, since it is larger than the sum of its proper divisors (354476966923).

2461587615221 is a wasteful number, since it uses less digits than its factorization.

2461587615221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42500.

The product of its digits is 1612800, while the sum is 50.

The spelling of 2461587615221 in words is "two trillion, four hundred sixty-one billion, five hundred eighty-seven million, six hundred fifteen thousand, two hundred twenty-one".