125373964555 has 8 divisors (see below), whose sum is σ = 171941437152. Its totient is φ = 85970718528.

The previous prime is 125373964549. The next prime is 125373964591. The reversal of 125373964555 is 555469373521.

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 125373964555 - 2⁵ = 125373964523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125373964496 and 125373964505.

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 7 ways as a sum of consecutive naturals, for example, 1791056602 + ... + 1791056671.

It is an arithmetic number, because the mean of its divisors is an integer number (21492679644).

Almost surely, 2^125373964555 is an apocalyptic number.

125373964555 is a deficient number, since it is larger than the sum of its proper divisors (46567472597).

125373964555 is an equidigital number, since it uses as much as digits as its factorization.

125373964555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582113285.

The product of its digits is 17010000, while the sum is 55.

The spelling of 125373964555 in words is "one hundred twenty-five billion, three hundred seventy-three million, nine hundred sixty-four thousand, five hundred fifty-five".