125550242046 has 24 divisors (see below), whose sum is σ = 273029319264. Its totient is φ = 41695650720.

The previous prime is 125550242009. The next prime is 125550242093. The reversal of 125550242046 is 640242055521.

125550242046 is a `hidden beast` number, since 1 + 25 + 550 + 2 + 42 + 0 + 46 = 666.

It is a super-2 number, since 2×125550242046² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125550242046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12864151 + ... + 12873906.

It is an arithmetic number, because the mean of its divisors is an integer number (11376221636).

Almost surely, 2^125550242046 is an apocalyptic number.

125550242046 is an abundant number, since it is smaller than the sum of its proper divisors (147479077218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125550242046 is a wasteful number, since it uses less digits than its factorization.

125550242046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25738336 (or 25738333 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 125550242046 its reverse (640242055521), we get a palindrome (765792297567).

The spelling of 125550242046 in words is "one hundred twenty-five billion, five hundred fifty million, two hundred forty-two thousand, forty-six".