10280780425 has 6 divisors (see below), whose sum is σ = 12748167758. Its totient is φ = 8224624320.

The previous prime is 10280780383. The next prime is 10280780501. The reversal of 10280780425 is 52408708201.

It can be written as a sum of positive squares in 3 ways, for example, as 2064969 + 10278715456 = 1437^2 + 101384^2 .

It is not a de Polignac number, because 10280780425 - 2¹⁵ = 10280747657 is a prime.

It is a super-2 number, since 2×10280780425² (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 5 ways as a sum of consecutive naturals, for example, 205615584 + ... + 205615633.

Almost surely, 2^10280780425 is an apocalyptic number.

It is an amenable number.

10280780425 is a deficient number, since it is larger than the sum of its proper divisors (2467387333).

10280780425 is an equidigital number, since it uses as much as digits as its factorization.

10280780425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411231227 (or 411231222 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 10280780425 in words is "ten billion, two hundred eighty million, seven hundred eighty thousand, four hundred twenty-five".