125523355042 has 8 divisors (see below), whose sum is σ = 188434587600. Its totient is φ = 62711825844.

The previous prime is 125523355031. The next prime is 125523355051. The reversal of 125523355042 is 240553325521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125523355042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125523354992 and 125523355010.

It is an unprimeable number.

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, 24922692 + ... + 24927727.

It is an arithmetic number, because the mean of its divisors is an integer number (23554323450).

Almost surely, 2^125523355042 is an apocalyptic number.

125523355042 is a deficient number, since it is larger than the sum of its proper divisors (62911232558).

125523355042 is a wasteful number, since it uses less digits than its factorization.

125523355042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49851680.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 125523355042 in words is "one hundred twenty-five billion, five hundred twenty-three million, three hundred fifty-five thousand, forty-two".