10487911280581 has 8 divisors (see below), whose sum is σ = 12241209519360. Its totient is φ = 8798369341488.

The previous prime is 10487911280501. The next prime is 10487911280591. The reversal of 10487911280581 is 18508211978401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10487911280581 - 2¹⁵ = 10487911247813 is a prime.

It is a super-2 number, since 2×10487911280581² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10487911280501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15939074566 + ... + 15939075223.

It is an arithmetic number, because the mean of its divisors is an integer number (1530151189920).

Almost surely, 2^{10487911280581} is an apocalyptic number.

It is an amenable number.

10487911280581 is a deficient number, since it is larger than the sum of its proper divisors (1753298238779).

10487911280581 is an equidigital number, since it uses as much as digits as its factorization.

10487911280581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31878149843.

The product of its (nonzero) digits is 1290240, while the sum is 55.

The spelling of 10487911280581 in words is "ten trillion, four hundred eighty-seven billion, nine hundred eleven million, two hundred eighty thousand, five hundred eighty-one".