10978505662903 has 4 divisors (see below), whose sum is σ = 11624300113680. Its totient is φ = 10332711212128.

The previous prime is 10978505662871. The next prime is 10978505662913. The reversal of 10978505662903 is 30926650587901.

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 10978505662903 - 2⁵ = 10978505662871 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 (10978505662913) 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, 322897225363 + ... + 322897225396.

It is an arithmetic number, because the mean of its divisors is an integer number (2906075028420).

Almost surely, 2^{10978505662903} is an apocalyptic number.

10978505662903 is a deficient number, since it is larger than the sum of its proper divisors (645794450777).

10978505662903 is an equidigital number, since it uses as much as digits as its factorization.

10978505662903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645794450776.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 10978505662903 in words is "ten trillion, nine hundred seventy-eight billion, five hundred five million, six hundred sixty-two thousand, nine hundred three".