10987913502721 has 8 divisors (see below), whose sum is σ = 10993828356224. Its totient is φ = 10982000208960.

The previous prime is 10987913502719. The next prime is 10987913502737. The reversal of 10987913502721 is 12720531978901.

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 10987913502721 - 2¹ = 10987913502719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10987913502701) 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, 13842676 + ... + 14614906.

It is an arithmetic number, because the mean of its divisors is an integer number (1374228544528).

Almost surely, 2^{10987913502721} is an apocalyptic number.

It is an amenable number.

10987913502721 is a deficient number, since it is larger than the sum of its proper divisors (5914853503).

10987913502721 is an equidigital number, since it uses as much as digits as its factorization.

10987913502721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779871.

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 10987913502721 in words is "ten trillion, nine hundred eighty-seven billion, nine hundred thirteen million, five hundred two thousand, seven hundred twenty-one".