125515141135 has 16 divisors (see below), whose sum is σ = 157946322240. Its totient is φ = 95621541120.

The previous prime is 125515141111. The next prime is 125515141163. The reversal of 125515141135 is 531141515521.

It is not a de Polignac number, because 125515141135 - 2⁹ = 125515140623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125515141135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5918331 + ... + 5939500.

It is an arithmetic number, because the mean of its divisors is an integer number (9871645140).

Almost surely, 2^125515141135 is an apocalyptic number.

125515141135 is a deficient number, since it is larger than the sum of its proper divisors (32431181105).

125515141135 is a wasteful number, since it uses less digits than its factorization.

125515141135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11857938.

The product of its digits is 15000, while the sum is 34.

Adding to 125515141135 its reverse (531141515521), we get a palindrome (656656656656).

The spelling of 125515141135 in words is "one hundred twenty-five billion, five hundred fifteen million, one hundred forty-one thousand, one hundred thirty-five".