125134054415 has 4 divisors (see below), whose sum is σ = 150160865304. Its totient is φ = 100107243528.

The previous prime is 125134054391. The next prime is 125134054433. The reversal of 125134054415 is 514450431521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125134054415 - 2⁸ = 125134054159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12513405437 + ... + 12513405446.

It is an arithmetic number, because the mean of its divisors is an integer number (37540216326).

Almost surely, 2^125134054415 is an apocalyptic number.

125134054415 is a deficient number, since it is larger than the sum of its proper divisors (25026810889).

125134054415 is an equidigital number, since it uses as much as digits as its factorization.

125134054415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026810888.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 125134054415 its reverse (514450431521), we get a palindrome (639584485936).

The spelling of 125134054415 in words is "one hundred twenty-five billion, one hundred thirty-four million, fifty-four thousand, four hundred fifteen".