125495187655 has 8 divisors (see below), whose sum is σ = 150597371952. Its totient is φ = 100394052288.

The previous prime is 125495187619. The next prime is 125495187683. The reversal of 125495187655 is 556781594521.

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 125495187655 - 2¹⁵ = 125495154887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125495187655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30739 + ... + 501931.

It is an arithmetic number, because the mean of its divisors is an integer number (18824671494).

Almost surely, 2^125495187655 is an apocalyptic number.

125495187655 is a deficient number, since it is larger than the sum of its proper divisors (25102184297).

125495187655 is an equidigital number, since it uses as much as digits as its factorization.

125495187655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524465.

The product of its digits is 15120000, while the sum is 58.

The spelling of 125495187655 in words is "one hundred twenty-five billion, four hundred ninety-five million, one hundred eighty-seven thousand, six hundred fifty-five".