10206440455505 has 32 divisors (see below), whose sum is σ = 14253355572480. Its totient is φ = 6871038059520.

The previous prime is 10206440455493. The next prime is 10206440455511. The reversal of 10206440455505 is 50555404460201.

10206440455505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10206440455505 - 2⁴ = 10206440455489 is a prime.

It is a super-2 number, since 2×10206440455505² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1675964 + ... + 4818893.

It is an arithmetic number, because the mean of its divisors is an integer number (445417361640).

Almost surely, 2^{10206440455505} is an apocalyptic number.

It is an amenable number.

10206440455505 is a deficient number, since it is larger than the sum of its proper divisors (4046915116975).

10206440455505 is an equidigital number, since it uses as much as digits as its factorization.

10206440455505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495689.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 10206440455505 in words is "ten trillion, two hundred six billion, four hundred forty million, four hundred fifty-five thousand, five hundred five".