125112106415 has 4 divisors (see below), whose sum is σ = 150134527704. Its totient is φ = 100089685128.

The previous prime is 125112106409. The next prime is 125112106421. The reversal of 125112106415 is 514601211521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514601211521 = 173 ⋅2974573477.

It is an interprime number because it is at equal distance from previous prime (125112106409) and next prime (125112106421).

It is a cyclic number.

It is not a de Polignac number, because 125112106415 - 2³⁰ = 124038364591 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, 12511210637 + ... + 12511210646.

It is an arithmetic number, because the mean of its divisors is an integer number (37533631926).

Almost surely, 2^125112106415 is an apocalyptic number.

125112106415 is a deficient number, since it is larger than the sum of its proper divisors (25022421289).

125112106415 is an equidigital number, since it uses as much as digits as its factorization.

125112106415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25022421288.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 125112106415 its reverse (514601211521), we get a palindrome (639713317936).

The spelling of 125112106415 in words is "one hundred twenty-five billion, one hundred twelve million, one hundred six thousand, four hundred fifteen".