125551321334 has 4 divisors (see below), whose sum is σ = 188326982004. Its totient is φ = 62775660666.

The previous prime is 125551321163. The next prime is 125551321367. The reversal of 125551321334 is 433123155521.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 125551321294 and 125551321303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31387830332 + ... + 31387830335.

It is an arithmetic number, because the mean of its divisors is an integer number (47081745501).

Almost surely, 2^125551321334 is an apocalyptic number.

125551321334 is a deficient number, since it is larger than the sum of its proper divisors (62775660670).

125551321334 is an equidigital number, since it uses as much as digits as its factorization.

125551321334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62775660669.

The product of its digits is 54000, while the sum is 35.

Adding to 125551321334 its reverse (433123155521), we get a palindrome (558674476855).

The spelling of 125551321334 in words is "one hundred twenty-five billion, five hundred fifty-one million, three hundred twenty-one thousand, three hundred thirty-four".