125204445403431 has 8 divisors (see below), whose sum is σ = 167054153358960. Its totient is φ = 83412183858432.

The previous prime is 125204445403423. The next prime is 125204445403517. The reversal of 125204445403431 is 134304544402521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125204445403431 - 2³ = 125204445403423 is a prime.

It is a super-2 number, since 2×125204445403431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125204445404431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14361597546 + ... + 14361606263.

It is an arithmetic number, because the mean of its divisors is an integer number (20881769169870).

Almost surely, 2^{125204445403431} is an apocalyptic number.

125204445403431 is a deficient number, since it is larger than the sum of its proper divisors (41849707955529).

125204445403431 is a wasteful number, since it uses less digits than its factorization.

125204445403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28723205265.

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 125204445403431 its reverse (134304544402521), we get a palindrome (259508989805952).

The spelling of 125204445403431 in words is "one hundred twenty-five trillion, two hundred four billion, four hundred forty-five million, four hundred three thousand, four hundred thirty-one".