125318013655 has 8 divisors (see below), whose sum is σ = 150428323584. Its totient is φ = 100223272800.

The previous prime is 125318013643. The next prime is 125318013659. The reversal of 125318013655 is 556310813521.

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

It is not a de Polignac number, because 125318013655 - 2¹⁷ = 125317882583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125318013659) by changing a digit.

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, 3874551 + ... + 3906760.

It is an arithmetic number, because the mean of its divisors is an integer number (18803540448).

Almost surely, 2^125318013655 is an apocalyptic number.

125318013655 is a deficient number, since it is larger than the sum of its proper divisors (25110309929).

125318013655 is an equidigital number, since it uses as much as digits as its factorization.

125318013655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784537.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 125318013655 in words is "one hundred twenty-five billion, three hundred eighteen million, thirteen thousand, six hundred fifty-five".