125515414432 has 12 divisors (see below), whose sum is σ = 247108472226. Its totient is φ = 62757707200.

The previous prime is 125515414397. The next prime is 125515414433. The reversal of 125515414432 is 234414515521.

It can be written as a sum of positive squares in only one way, i.e., 72815784336 + 52699630096 = 269844^2 + 229564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125515414391 and 125515414400.

It is not an unprimeable number, because it can be changed into a prime (125515414433) 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 as a sum of consecutive naturals, namely, 1961178319 + ... + 1961178382.

Almost surely, 2^125515414432 is an apocalyptic number.

It is an amenable number.

125515414432 is a deficient number, since it is larger than the sum of its proper divisors (121593057794).

125515414432 is an equidigital number, since it uses as much as digits as its factorization.

125515414432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922356711 (or 3922356703 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

Adding to 125515414432 its reverse (234414515521), we get a palindrome (359929929953).

The spelling of 125515414432 in words is "one hundred twenty-five billion, five hundred fifteen million, four hundred fourteen thousand, four hundred thirty-two".