10402045105 has 4 divisors (see below), whose sum is σ = 12482454132. Its totient is φ = 8321636080.

The previous prime is 10402045063. The next prime is 10402045111. The reversal of 10402045105 is 50154020401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50154020401 = 106189 ⋅472309.

It can be written as a sum of positive squares in 2 ways, for example, as 8036584609 + 2365460496 = 89647^2 + 48636^2 .

It is not a de Polignac number, because 10402045105 - 2⁹ = 10402044593 is a prime.

It is a super-2 number, since 2×10402045105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040204506 + ... + 1040204515.

It is an arithmetic number, because the mean of its divisors is an integer number (3120613533).

Almost surely, 2^10402045105 is an apocalyptic number.

It is an amenable number.

10402045105 is a deficient number, since it is larger than the sum of its proper divisors (2080409027).

10402045105 is an equidigital number, since it uses as much as digits as its factorization.

10402045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080409026.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 10402045105 its reverse (50154020401), we get a palindrome (60556065506).

The spelling of 10402045105 in words is "ten billion, four hundred two million, forty-five thousand, one hundred five".