125135440152 has 16 divisors (see below), whose sum is σ = 312838600440. Its totient is φ = 41711813376.

The previous prime is 125135440141. The next prime is 125135440169. The reversal of 125135440152 is 251044531521.

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, 2606988313 + ... + 2606988360.

Almost surely, 2^125135440152 is an apocalyptic number.

125135440152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125135440152 is an abundant number, since it is smaller than the sum of its proper divisors (187703160288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125135440152 is a wasteful number, since it uses less digits than its factorization.

125135440152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213976682 (or 5213976678 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 125135440152 its reverse (251044531521), we get a palindrome (376179971673).

The spelling of 125135440152 in words is "one hundred twenty-five billion, one hundred thirty-five million, four hundred forty thousand, one hundred fifty-two".