125523031355042 has 16 divisors (see below), whose sum is σ = 191101223699232. Its totient is φ = 61822686784320.

The previous prime is 125523031355027. The next prime is 125523031355047. The reversal of 125523031355042 is 240553130325521.

It is not an unprimeable number, because it can be changed into a prime (125523031355047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11849543 + ... + 19785290.

It is an arithmetic number, because the mean of its divisors is an integer number (11943826481202).

Almost surely, 2^{125523031355042} is an apocalyptic number.

125523031355042 is a deficient number, since it is larger than the sum of its proper divisors (65578192344190).

125523031355042 is a wasteful number, since it uses less digits than its factorization.

125523031355042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31664513.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 125523031355042 in words is "one hundred twenty-five trillion, five hundred twenty-three billion, thirty-one million, three hundred fifty-five thousand, forty-two".