125013111105 has 16 divisors (see below), whose sum is σ = 200080359360. Its totient is φ = 66653865408.

The previous prime is 125013111059. The next prime is 125013111107. The reversal of 125013111105 is 501111310521.

It is not a de Polignac number, because 125013111105 - 2¹⁰ = 125013110081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125013111107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184835 + ... + 1286024.

It is an arithmetic number, because the mean of its divisors is an integer number (12505022460).

Almost surely, 2^125013111105 is an apocalyptic number.

125013111105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125013111105 is a deficient number, since it is larger than the sum of its proper divisors (75067248255).

125013111105 is a wasteful number, since it uses less digits than its factorization.

125013111105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474240.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 125013111105 its reverse (501111310521), we get a palindrome (626124421626).

The spelling of 125013111105 in words is "one hundred twenty-five billion, thirteen million, one hundred eleven thousand, one hundred five".