125405045415 has 96 divisors (see below), whose sum is σ = 241288407360. Its totient is φ = 59860297728.

The previous prime is 125405045399. The next prime is 125405045453. The reversal of 125405045415 is 514540504521.

125405045415 is a `hidden beast` number, since 1 + 2 + 540 + 50 + 4 + 54 + 15 = 666.

It is not a de Polignac number, because 125405045415 - 2⁴ = 125405045399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125405045415.

It is a congruent number.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 3428041 + ... + 3464429.

It is an arithmetic number, because the mean of its divisors is an integer number (2513420910).

Almost surely, 2^125405045415 is an apocalyptic number.

125405045415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125405045415 is a deficient number, since it is larger than the sum of its proper divisors (115883361945).

125405045415 is a wasteful number, since it uses less digits than its factorization.

125405045415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36593 (or 36590 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 125405045415 its reverse (514540504521), we get a palindrome (639945549936).

The spelling of 125405045415 in words is "one hundred twenty-five billion, four hundred five million, forty-five thousand, four hundred fifteen".