1205425106530 has 16 divisors (see below), whose sum is σ = 2171794925880. Its totient is φ = 481718990592.

The previous prime is 1205425106527. The next prime is 1205425106537. The reversal of 1205425106530 is 356015245021.

It can be written as a sum of positive squares in 4 ways, for example, as 797879484081 + 407545622449 = 893241^2 + 638393^2 .

It is not an unprimeable number, because it can be changed into a prime (1205425106537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56370279 + ... + 56391658.

Almost surely, 2^{1205425106530} is an apocalyptic number.

1205425106530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205425106530 is a deficient number, since it is larger than the sum of its proper divisors (966369819350).

1205425106530 is a wasteful number, since it uses less digits than its factorization.

1205425106530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112763013.

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

The spelling of 1205425106530 in words is "one trillion, two hundred five billion, four hundred twenty-five million, one hundred six thousand, five hundred thirty".