10645426256513 has 16 divisors (see below), whose sum is σ = 11120800247040. Its totient is φ = 10180186660800.

The previous prime is 10645426256461. The next prime is 10645426256533. The reversal of 10645426256513 is 31565262454601.

10645426256513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10645426256513 - 2⁴⁰ = 9545914628737 is a prime.

It is a super-3 number, since 3×10645426256513³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10645426256533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189028 + ... + 4764938.

It is an arithmetic number, because the mean of its divisors is an integer number (695050015440).

Almost surely, 2^{10645426256513} is an apocalyptic number.

It is an amenable number.

10645426256513 is a deficient number, since it is larger than the sum of its proper divisors (475373990527).

10645426256513 is a wasteful number, since it uses less digits than its factorization.

10645426256513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577328.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 10645426256513 in words is "ten trillion, six hundred forty-five billion, four hundred twenty-six million, two hundred fifty-six thousand, five hundred thirteen".