125333333381 has 4 divisors (see below), whose sum is σ = 125761092492. Its totient is φ = 124905574272.

The previous prime is 125333333353. The next prime is 125333333383. The reversal of 125333333381 is 183333333521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104542288900 + 20791044481 = 323330^2 + 144191^2 .

It is a cyclic number.

It is not a de Polignac number, because 125333333381 - 2²² = 125329139077 is a prime.

It is a super-2 number, since 2×125333333381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125333333383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213879116 + ... + 213879701.

It is an arithmetic number, because the mean of its divisors is an integer number (31440273123).

Almost surely, 2^125333333381 is an apocalyptic number.

It is an amenable number.

125333333381 is a deficient number, since it is larger than the sum of its proper divisors (427759111).

125333333381 is an equidigital number, since it uses as much as digits as its factorization.

125333333381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427759110.

The product of its digits is 174960, while the sum is 38.

The spelling of 125333333381 in words is "one hundred twenty-five billion, three hundred thirty-three million, three hundred thirty-three thousand, three hundred eighty-one".