10143403505956 has 48 divisors (see below), whose sum is σ = 21480468105600. Its totient is φ = 4091396018688.

The previous prime is 10143403505903. The next prime is 10143403505957. The reversal of 10143403505956 is 65950530434101.

It is not an unprimeable number, because it can be changed into a prime (10143403505957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45956710 + ... + 46176898.

It is an arithmetic number, because the mean of its divisors is an integer number (447509752200).

Almost surely, 2^{10143403505956} is an apocalyptic number.

It is an amenable number.

10143403505956 is an abundant number, since it is smaller than the sum of its proper divisors (11337064599644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10143403505956 is a wasteful number, since it uses less digits than its factorization.

10143403505956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316996 (or 316994 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 10143403505956 in words is "ten trillion, one hundred forty-three billion, four hundred three million, five hundred five thousand, nine hundred fifty-six".