10981654145279 has 4 divisors (see below), whose sum is σ = 11215306361184. Its totient is φ = 10748001929376.

The previous prime is 10981654145243. The next prime is 10981654145351. The reversal of 10981654145279 is 97254145618901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10981654145279 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 (10981654141279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116826107882 + ... + 116826107975.

It is an arithmetic number, because the mean of its divisors is an integer number (2803826590296).

Almost surely, 2^{10981654145279} is an apocalyptic number.

10981654145279 is a deficient number, since it is larger than the sum of its proper divisors (233652215905).

10981654145279 is an equidigital number, since it uses as much as digits as its factorization.

10981654145279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233652215904.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 10981654145279 in words is "ten trillion, nine hundred eighty-one billion, six hundred fifty-four million, one hundred forty-five thousand, two hundred seventy-nine".