10643015013403 has 4 divisors (see below), whose sum is σ = 10788809739688. Its totient is φ = 10497220287120.

The previous prime is 10643015013391. The next prime is 10643015013427. The reversal of 10643015013403 is 30431051034601.

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 10643015013403 - 2²¹ = 10643012916251 is a prime.

It is a super-2 number, since 2×10643015013403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10643015013493) by changing a digit.

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, 72897363033 + ... + 72897363178.

It is an arithmetic number, because the mean of its divisors is an integer number (2697202434922).

Almost surely, 2^{10643015013403} is an apocalyptic number.

10643015013403 is a deficient number, since it is larger than the sum of its proper divisors (145794726285).

10643015013403 is an equidigital number, since it uses as much as digits as its factorization.

10643015013403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145794726284.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 10643015013403 in words is "ten trillion, six hundred forty-three billion, fifteen million, thirteen thousand, four hundred three".