125015275331 has 4 divisors (see below), whose sum is σ = 125015986200. Its totient is φ = 125014564464.

The previous prime is 125015275249. The next prime is 125015275339. The reversal of 125015275331 is 133572510521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133572510521 = 827 ⋅161514523.

It is a cyclic number.

It is not a de Polignac number, because 125015275331 - 2¹⁴ = 125015258947 is a prime.

It is a super-2 number, since 2×125015275331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125015275291 and 125015275300.

It is not an unprimeable number, because it can be changed into a prime (125015275339) 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, 123260 + ... + 514998.

It is an arithmetic number, because the mean of its divisors is an integer number (31253996550).

Almost surely, 2^125015275331 is an apocalyptic number.

125015275331 is a deficient number, since it is larger than the sum of its proper divisors (710869).

125015275331 is an equidigital number, since it uses as much as digits as its factorization.

125015275331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710868.

The product of its (nonzero) digits is 31500, while the sum is 35.

Adding to 125015275331 its reverse (133572510521), we get a palindrome (258587785852).

The spelling of 125015275331 in words is "one hundred twenty-five billion, fifteen million, two hundred seventy-five thousand, three hundred thirty-one".