125550550005 has 8 divisors (see below), whose sum is σ = 200880880032. Its totient is φ = 66960293328.

The previous prime is 125550550003. The next prime is 125550550031. The reversal of 125550550005 is 500055055521.

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

It is not a de Polignac number, because 125550550005 - 2¹ = 125550550003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125550550003) 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, 4185018319 + ... + 4185018348.

It is an arithmetic number, because the mean of its divisors is an integer number (25110110004).

Almost surely, 2^125550550005 is an apocalyptic number.

125550550005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125550550005 is a deficient number, since it is larger than the sum of its proper divisors (75330330027).

125550550005 is an equidigital number, since it uses as much as digits as its factorization.

125550550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370036675.

The product of its (nonzero) digits is 31250, while the sum is 33.

The spelling of 125550550005 in words is "one hundred twenty-five billion, five hundred fifty million, five hundred fifty thousand, five".