125145130305 has 32 divisors (see below), whose sum is σ = 215743336704. Its totient is φ = 61578867456.

The previous prime is 125145130289. The next prime is 125145130321. The reversal of 125145130305 is 503031541521.

It is an interprime number because it is at equal distance from previous prime (125145130289) and next prime (125145130321).

It is not a de Polignac number, because 125145130305 - 2⁴ = 125145130289 is a prime.

It is a super-2 number, since 2×125145130305² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228732 + ... + 550098.

It is an arithmetic number, because the mean of its divisors is an integer number (6741979272).

Almost surely, 2^125145130305 is an apocalyptic number.

125145130305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125145130305 is a deficient number, since it is larger than the sum of its proper divisors (90598206399).

125145130305 is a wasteful number, since it uses less digits than its factorization.

125145130305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323385.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 125145130305 its reverse (503031541521), we get a palindrome (628176671826).

The spelling of 125145130305 in words is "one hundred twenty-five billion, one hundred forty-five million, one hundred thirty thousand, three hundred five".