125025551520205 has 64 divisors (see below), whose sum is σ = 173143202918400. Its totient is φ = 84894994229760.

The previous prime is 125025551520167. The next prime is 125025551520271. The reversal of 125025551520205 is 502025155520521.

It is a de Polignac number, because none of the positive numbers 2^k-125025551520205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4882081441 + ... + 4882107049.

It is an arithmetic number, because the mean of its divisors is an integer number (2705362545600).

Almost surely, 2^{125025551520205} is an apocalyptic number.

It is an amenable number.

125025551520205 is a deficient number, since it is larger than the sum of its proper divisors (48117651398195).

125025551520205 is a wasteful number, since it uses less digits than its factorization.

125025551520205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27994.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 125025551520205 in words is "one hundred twenty-five trillion, twenty-five billion, five hundred fifty-one million, five hundred twenty thousand, two hundred five".