125135003255530 has 32 divisors (see below), whose sum is σ = 225502865617680. Its totient is φ = 49996256808960.

The previous prime is 125135003255501. The next prime is 125135003255551. The reversal of 125135003255530 is 35552300531521.

It can be written as a sum of positive squares in 8 ways, for example, as 60731986783329 + 64403016472201 = 7793073^2 + 8025149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662496862 + ... + 662685718.

Almost surely, 2^{125135003255530} is an apocalyptic number.

125135003255530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125135003255530 is a deficient number, since it is larger than the sum of its proper divisors (100367862362150).

125135003255530 is a wasteful number, since it uses less digits than its factorization.

125135003255530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264954.

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 125135003255530 in words is "one hundred twenty-five trillion, one hundred thirty-five billion, three million, two hundred fifty-five thousand, five hundred thirty".