125433513331 has 6 divisors (see below), whose sum is σ = 145912454340. Its totient is φ = 107514439956.

The previous prime is 125433513323. The next prime is 125433513383. The reversal of 125433513331 is 133315334521.

It is not a de Polignac number, because 125433513331 - 2³ = 125433513323 is a prime.

It is a super-2 number, since 2×125433513331² (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 (125433513311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1279933761 + ... + 1279933858.

It is an arithmetic number, because the mean of its divisors is an integer number (24318742390).

Almost surely, 2^125433513331 is an apocalyptic number.

125433513331 is a deficient number, since it is larger than the sum of its proper divisors (20478941009).

125433513331 is an equidigital number, since it uses as much as digits as its factorization.

125433513331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559867633 (or 2559867626 counting only the distinct ones).

The product of its digits is 48600, while the sum is 34.

Adding to 125433513331 its reverse (133315334521), we get a palindrome (258748847852).

The spelling of 125433513331 in words is "one hundred twenty-five billion, four hundred thirty-three million, five hundred thirteen thousand, three hundred thirty-one".