125204773578 has 32 divisors (see below), whose sum is σ = 253153485312. Its totient is φ = 41278604400.

The previous prime is 125204773571. The next prime is 125204773579. The reversal of 125204773578 is 875377402521.

It is a self number, because there is not a number n which added to its sum of digits gives 125204773578.

It is not an unprimeable number, because it can be changed into a prime (125204773571) 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 15 ways as a sum of consecutive naturals, for example, 376293 + ... + 626103.

It is an arithmetic number, because the mean of its divisors is an integer number (7911046416).

Almost surely, 2^125204773578 is an apocalyptic number.

125204773578 is an abundant number, since it is smaller than the sum of its proper divisors (127948711734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125204773578 is a wasteful number, since it uses less digits than its factorization.

125204773578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250730.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 125204773578 in words is "one hundred twenty-five billion, two hundred four million, seven hundred seventy-three thousand, five hundred seventy-eight".