125444135345523 has 32 divisors (see below), whose sum is σ = 167625265796352. Its totient is φ = 83446476048000.

The previous prime is 125444135345513. The next prime is 125444135345531. The reversal of 125444135345523 is 325543531444521.

It is not a de Polignac number, because 125444135345523 - 2¹³ = 125444135337331 is a prime.

It is a super-2 number, since 2×125444135345523² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125444135345513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11187378265 + ... + 11187389477.

It is an arithmetic number, because the mean of its divisors is an integer number (5238289556136).

Almost surely, 2^{125444135345523} is an apocalyptic number.

125444135345523 is a deficient number, since it is larger than the sum of its proper divisors (42181130450829).

125444135345523 is a wasteful number, since it uses less digits than its factorization.

125444135345523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16355.

The product of its digits is 17280000, while the sum is 51.

The spelling of 125444135345523 in words is "one hundred twenty-five trillion, four hundred forty-four billion, one hundred thirty-five million, three hundred forty-five thousand, five hundred twenty-three".