125111431443 has 8 divisors (see below), whose sum is σ = 171323762128. Its totient is φ = 81153360864.

The previous prime is 125111431409. The next prime is 125111431447. The reversal of 125111431443 is 344134111521.

It is a happy number.

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

It is not a de Polignac number, because 125111431443 - 2²⁸ = 124842995987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125111431443.

It is not an unprimeable number, because it can be changed into a prime (125111431447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563564896 + ... + 563565117.

It is an arithmetic number, because the mean of its divisors is an integer number (21415470266).

Almost surely, 2^125111431443 is an apocalyptic number.

125111431443 is a deficient number, since it is larger than the sum of its proper divisors (46212330685).

125111431443 is a wasteful number, since it uses less digits than its factorization.

125111431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127130053.

The product of its digits is 5760, while the sum is 30.

Adding to 125111431443 its reverse (344134111521), we get a palindrome (469245542964).

The spelling of 125111431443 in words is "one hundred twenty-five billion, one hundred eleven million, four hundred thirty-one thousand, four hundred forty-three".