16125140235 has 16 divisors (see below), whose sum is σ = 25817472000. Its totient is φ = 8594325600.

The previous prime is 16125140233. The next prime is 16125140243. The reversal of 16125140235 is 53204152161.

It is not a de Polignac number, because 16125140235 - 2¹ = 16125140233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16125140231) 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, 336091 + ... + 381060.

It is an arithmetic number, because the mean of its divisors is an integer number (1613592000).

Almost surely, 2^16125140235 is an apocalyptic number.

16125140235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16125140235 is a deficient number, since it is larger than the sum of its proper divisors (9692331765).

16125140235 is a wasteful number, since it uses less digits than its factorization.

16125140235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718658.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 16125140235 its reverse (53204152161), we get a palindrome (69329292396).

The spelling of 16125140235 in words is "sixteen billion, one hundred twenty-five million, one hundred forty thousand, two hundred thirty-five".