125444254533 has 16 divisors (see below), whose sum is σ = 180263395200. Its totient is φ = 77137187904.

The previous prime is 125444254519. The next prime is 125444254543. The reversal of 125444254533 is 335452444521.

It is not a de Polignac number, because 125444254533 - 2⁵ = 125444254501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125444254543) 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, 1183458 + ... + 1285091.

It is an arithmetic number, because the mean of its divisors is an integer number (11266462200).

Almost surely, 2^125444254533 is an apocalyptic number.

125444254533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125444254533 is a deficient number, since it is larger than the sum of its proper divisors (54819140667).

125444254533 is a wasteful number, since it uses less digits than its factorization.

125444254533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469868.

The product of its digits is 1152000, while the sum is 42.

The spelling of 125444254533 in words is "one hundred twenty-five billion, four hundred forty-four million, two hundred fifty-four thousand, five hundred thirty-three".