125055444451 has 16 divisors (see below), whose sum is σ = 149145366528. Its totient is φ = 102522420000.

The previous prime is 125055444413. The next prime is 125055444461. The reversal of 125055444451 is 154444550521.

It is not a de Polignac number, because 125055444451 - 2¹⁹ = 125054920163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125055444461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645841 + ... + 3679981.

It is an arithmetic number, because the mean of its divisors is an integer number (9321585408).

Almost surely, 2^125055444451 is an apocalyptic number.

125055444451 is a deficient number, since it is larger than the sum of its proper divisors (24089922077).

125055444451 is a wasteful number, since it uses less digits than its factorization.

125055444451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56922.

The product of its (nonzero) digits is 320000, while the sum is 40.

Adding to 125055444451 its reverse (154444550521), we get a palindrome (279499994972).

The spelling of 125055444451 in words is "one hundred twenty-five billion, fifty-five million, four hundred forty-four thousand, four hundred fifty-one".