125454052305 has 24 divisors (see below), whose sum is σ = 217471137000. Its totient is φ = 66903459840.

The previous prime is 125454052289. The next prime is 125454052351. The reversal of 125454052305 is 503250454521.

125454052305 is a `hidden beast` number, since 1 + 254 + 54 + 0 + 52 + 305 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18472071744 + 106981980561 = 135912^2 + 327081^2 .

It is not a de Polignac number, because 125454052305 - 2⁴ = 125454052289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125454052305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490995 + ... + 701415.

It is an arithmetic number, because the mean of its divisors is an integer number (9061297375).

Almost surely, 2^125454052305 is an apocalyptic number.

125454052305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125454052305 is a deficient number, since it is larger than the sum of its proper divisors (92017084695).

125454052305 is a wasteful number, since it uses less digits than its factorization.

125454052305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223681 (or 223678 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 125454052305 in words is "one hundred twenty-five billion, four hundred fifty-four million, fifty-two thousand, three hundred five".