10256042454503 has 4 divisors (see below), whose sum is σ = 10494555069768. Its totient is φ = 10017529839240.

The previous prime is 10256042454479. The next prime is 10256042454509. The reversal of 10256042454503 is 30545424065201.

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 10256042454503 - 2⁸ = 10256042454247 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 (10256042454509) 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, 119256307568 + ... + 119256307653.

It is an arithmetic number, because the mean of its divisors is an integer number (2623638767442).

Almost surely, 2^{10256042454503} is an apocalyptic number.

10256042454503 is a deficient number, since it is larger than the sum of its proper divisors (238512615265).

10256042454503 is an equidigital number, since it uses as much as digits as its factorization.

10256042454503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238512615264.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 10256042454503 in words is "ten trillion, two hundred fifty-six billion, forty-two million, four hundred fifty-four thousand, five hundred three".