125504543102 has 4 divisors (see below), whose sum is σ = 188256814656. Its totient is φ = 62752271550.

The previous prime is 125504543083. The next prime is 125504543191. The reversal of 125504543102 is 201345405521.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31376135774 + ... + 31376135777.

It is an arithmetic number, because the mean of its divisors is an integer number (47064203664).

Almost surely, 2^125504543102 is an apocalyptic number.

125504543102 is a deficient number, since it is larger than the sum of its proper divisors (62752271554).

125504543102 is an equidigital number, since it uses as much as digits as its factorization.

125504543102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62752271553.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 125504543102 its reverse (201345405521), we get a palindrome (326849948623).

The spelling of 125504543102 in words is "one hundred twenty-five billion, five hundred four million, five hundred forty-three thousand, one hundred two".