125144135411 has 4 divisors (see below), whose sum is σ = 126129522432. Its totient is φ = 124158748392.

The previous prime is 125144135401. The next prime is 125144135423. The reversal of 125144135411 is 114531441521.

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 125144135411 - 2¹⁴ = 125144119027 is a prime.

It is a super-2 number, since 2×125144135411² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125144135401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492693320 + ... + 492693573.

It is an arithmetic number, because the mean of its divisors is an integer number (31532380608).

Almost surely, 2^125144135411 is an apocalyptic number.

125144135411 is a deficient number, since it is larger than the sum of its proper divisors (985387021).

125144135411 is an equidigital number, since it uses as much as digits as its factorization.

125144135411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985387020.

The product of its digits is 9600, while the sum is 32.

Adding to 125144135411 its reverse (114531441521), we get a palindrome (239675576932).

The spelling of 125144135411 in words is "one hundred twenty-five billion, one hundred forty-four million, one hundred thirty-five thousand, four hundred eleven".