2501081322487 has 16 divisors (see below), whose sum is σ = 2738347984512. Its totient is φ = 2265465431520.

The previous prime is 2501081322469. The next prime is 2501081322497. The reversal of 2501081322487 is 7842231801052.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2501081322487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501081322497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40553368 + ... + 40614994.

It is an arithmetic number, because the mean of its divisors is an integer number (171146749032).

Almost surely, 2^{2501081322487} is an apocalyptic number.

2501081322487 is a deficient number, since it is larger than the sum of its proper divisors (237266662025).

2501081322487 is a wasteful number, since it uses less digits than its factorization.

2501081322487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74958.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 2501081322487 in words is "two trillion, five hundred one billion, eighty-one million, three hundred twenty-two thousand, four hundred eighty-seven".