125502003211 has 4 divisors (see below), whose sum is σ = 135156003472. Its totient is φ = 115848002952.

The previous prime is 125502003203. The next prime is 125502003217. The reversal of 125502003211 is 112300205521.

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 125502003211 - 2³ = 125502003203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125502003217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4827000111 + ... + 4827000136.

It is an arithmetic number, because the mean of its divisors is an integer number (33789000868).

Almost surely, 2^125502003211 is an apocalyptic number.

125502003211 is a deficient number, since it is larger than the sum of its proper divisors (9654000261).

125502003211 is an equidigital number, since it uses as much as digits as its factorization.

125502003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654000260.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 125502003211 its reverse (112300205521), we get a palindrome (237802208732).

The spelling of 125502003211 in words is "one hundred twenty-five billion, five hundred two million, three thousand, two hundred eleven".