10725020530 has 24 divisors (see below), whose sum is σ = 22456880748. Its totient is φ = 3677149728.

The previous prime is 10725020521. The next prime is 10725020533. The reversal of 10725020530 is 3502052701.

It can be written as a sum of positive squares in 2 ways, for example, as 10607146081 + 117874449 = 102991^2 + 10857^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10725020495 and 10725020504.

It is not an unprimeable number, because it can be changed into a prime (10725020533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10943409 + ... + 10944388.

Almost surely, 2^10725020530 is an apocalyptic number.

10725020530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10725020530 is an abundant number, since it is smaller than the sum of its proper divisors (11731860218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10725020530 is a wasteful number, since it uses less digits than its factorization.

10725020530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21887818 (or 21887811 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The spelling of 10725020530 in words is "ten billion, seven hundred twenty-five million, twenty thousand, five hundred thirty".