125603113555 has 8 divisors (see below), whose sum is σ = 150977911392. Its totient is φ = 100313040768.

The previous prime is 125603113547. The next prime is 125603113577. The reversal of 125603113555 is 555311306521.

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 125603113555 - 2³ = 125603113547 is a prime.

It is a super-2 number, since 2×125603113555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 21177999 + ... + 21183928.

It is an arithmetic number, because the mean of its divisors is an integer number (18872238924).

Almost surely, 2^125603113555 is an apocalyptic number.

125603113555 is a deficient number, since it is larger than the sum of its proper divisors (25374797837).

125603113555 is an equidigital number, since it uses as much as digits as its factorization.

125603113555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42362525.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 125603113555 in words is "one hundred twenty-five billion, six hundred three million, one hundred thirteen thousand, five hundred fifty-five".