125101055505 has 8 divisors (see below), whose sum is σ = 200161688832. Its totient is φ = 66720562928.

The previous prime is 125101055483. The next prime is 125101055549. The reversal of 125101055505 is 505550101521.

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

It is a cyclic number.

It is not a de Polignac number, because 125101055505 - 2⁵ = 125101055473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170035169 + ... + 4170035198.

It is an arithmetic number, because the mean of its divisors is an integer number (25020211104).

Almost surely, 2^125101055505 is an apocalyptic number.

125101055505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125101055505 is a deficient number, since it is larger than the sum of its proper divisors (75060633327).

125101055505 is an equidigital number, since it uses as much as digits as its factorization.

125101055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340070375.

The product of its (nonzero) digits is 6250, while the sum is 30.

The spelling of 125101055505 in words is "one hundred twenty-five billion, one hundred one million, fifty-five thousand, five hundred five".