10505646025 has 12 divisors (see below), whose sum is σ = 14888001472. Its totient is φ = 7203871440.

The previous prime is 10505645977. The next prime is 10505646071. The reversal of 10505646025 is 52064650501.

It is not a de Polignac number, because 10505646025 - 2¹⁷ = 10505514953 is a prime.

It is a super-2 number, since 2×10505646025² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30015957 + ... + 30016306.

Almost surely, 2^10505646025 is an apocalyptic number.

It is an amenable number.

10505646025 is a deficient number, since it is larger than the sum of its proper divisors (4382355447).

10505646025 is an equidigital number, since it uses as much as digits as its factorization.

10505646025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60032280 (or 60032275 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 10505646025 in words is "ten billion, five hundred five million, six hundred forty-six thousand, twenty-five".