125055044555 has 16 divisors (see below), whose sum is σ = 171580835520. Its totient is φ = 85713643392.

The previous prime is 125055044539. The next prime is 125055044603. The reversal of 125055044555 is 555440550521.

It is a cyclic number.

It is not a de Polignac number, because 125055044555 - 2⁴ = 125055044539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720320 + ... + 876909.

It is an arithmetic number, because the mean of its divisors is an integer number (10723802220).

Almost surely, 2^125055044555 is an apocalyptic number.

125055044555 is a deficient number, since it is larger than the sum of its proper divisors (46525790965).

125055044555 is a wasteful number, since it uses less digits than its factorization.

125055044555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599478.

The product of its (nonzero) digits is 500000, while the sum is 41.

The spelling of 125055044555 in words is "one hundred twenty-five billion, fifty-five million, forty-four thousand, five hundred fifty-five".