10645426256511 has 16 divisors (see below), whose sum is σ = 14564449278720. Its totient is φ = 6912596510400.

The previous prime is 10645426256461. The next prime is 10645426256533. The reversal of 10645426256511 is 11565262454601.

It is a happy number.

It is not a de Polignac number, because 10645426256511 - 2⁷ = 10645426256383 is a prime.

It is a super-2 number, since 2×10645426256511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645426256581) 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, 114887790 + ... + 114980411.

It is an arithmetic number, because the mean of its divisors is an integer number (910278079920).

Almost surely, 2^{10645426256511} is an apocalyptic number.

10645426256511 is a deficient number, since it is larger than the sum of its proper divisors (3919023022209).

10645426256511 is a wasteful number, since it uses less digits than its factorization.

10645426256511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229868606.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 10645426256511 in words is "ten trillion, six hundred forty-five billion, four hundred twenty-six million, two hundred fifty-six thousand, five hundred eleven".