15426052605 has 12 divisors (see below), whose sum is σ = 26738491260. Its totient is φ = 8227228032.

The previous prime is 15426052591. The next prime is 15426052613. The reversal of 15426052605 is 50625062451.

15426052605 is a `hidden beast` number, since 1 + 5 + 42 + 6 + 0 + 5 + 2 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11292462756 + 4133589849 = 106266^2 + 64293^2 .

It is not a de Polignac number, because 15426052605 - 2⁴ = 15426052589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15426052605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171400540 + ... + 171400629.

It is an arithmetic number, because the mean of its divisors is an integer number (2228207605).

Almost surely, 2^15426052605 is an apocalyptic number.

15426052605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15426052605 is a deficient number, since it is larger than the sum of its proper divisors (11312438655).

15426052605 is a wasteful number, since it uses less digits than its factorization.

15426052605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342801180 (or 342801177 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 15426052605 in words is "fifteen billion, four hundred twenty-six million, fifty-two thousand, six hundred five".