10145403109978 has 8 divisors (see below), whose sum is σ = 16113287292372. Its totient is φ = 4774307345856.

The previous prime is 10145403109969. The next prime is 10145403109997. The reversal of 10145403109978 is 87990130454101.

It can be written as a sum of positive squares in 2 ways, for example, as 9601861123969 + 543541986009 = 3098687^2 + 737253^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149197104525 + ... + 149197104592.

Almost surely, 2^{10145403109978} is an apocalyptic number.

10145403109978 is a deficient number, since it is larger than the sum of its proper divisors (5967884182394).

10145403109978 is a wasteful number, since it uses less digits than its factorization.

10145403109978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298394209136.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 10145403109978 in words is "ten trillion, one hundred forty-five billion, four hundred three million, one hundred nine thousand, nine hundred seventy-eight".