125828449215 has 96 divisors (see below), whose sum is σ = 240202195200. Its totient is φ = 56052412416.

The previous prime is 125828449163. The next prime is 125828449217. The reversal of 125828449215 is 512944828521.

It is not a de Polignac number, because 125828449215 - 2¹¹ = 125828447167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125828449217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14186212 + ... + 14195078.

It is an arithmetic number, because the mean of its divisors is an integer number (2502106200).

Almost surely, 2^125828449215 is an apocalyptic number.

125828449215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125828449215 is a deficient number, since it is larger than the sum of its proper divisors (114373745985).

125828449215 is a wasteful number, since it uses less digits than its factorization.

125828449215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9381 (or 9374 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The spelling of 125828449215 in words is "one hundred twenty-five billion, eight hundred twenty-eight million, four hundred forty-nine thousand, two hundred fifteen".