5081261100887 has 4 divisors (see below), whose sum is σ = 5081270116680. Its totient is φ = 5081252085096.

The previous prime is 5081261100857. The next prime is 5081261100967. The reversal of 5081261100887 is 7880011621805.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5081261100887 - 2⁶ = 5081261100823 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 (5081261100857) 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, 3601793 + ... + 4809930.

It is an arithmetic number, because the mean of its divisors is an integer number (1270317529170).

Almost surely, 2^{5081261100887} is an apocalyptic number.

5081261100887 is a deficient number, since it is larger than the sum of its proper divisors (9015793).

5081261100887 is an equidigital number, since it uses as much as digits as its factorization.

5081261100887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015792.

The product of its (nonzero) digits is 215040, while the sum is 47.

The spelling of 5081261100887 in words is "five trillion, eighty-one billion, two hundred sixty-one million, one hundred thousand, eight hundred eighty-seven".