125522535553 has 4 divisors (see below), whose sum is σ = 125808464320. Its totient is φ = 125236606788.

The previous prime is 125522535521. The next prime is 125522535559. The reversal of 125522535553 is 355535225521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125522535553 - 2⁵ = 125522535521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125522535559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142963725 + ... + 142964602.

It is an arithmetic number, because the mean of its divisors is an integer number (31452116080).

Almost surely, 2^125522535553 is an apocalyptic number.

It is an amenable number.

125522535553 is a deficient number, since it is larger than the sum of its proper divisors (285928767).

125522535553 is an equidigital number, since it uses as much as digits as its factorization.

125522535553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285928766.

The product of its digits is 1125000, while the sum is 43.

The spelling of 125522535553 in words is "one hundred twenty-five billion, five hundred twenty-two million, five hundred thirty-five thousand, five hundred fifty-three".