154552531120025 has 12 divisors (see below), whose sum is σ = 191654375587500. Its totient is φ = 123636065542080.

The previous prime is 154552531119991. The next prime is 154552531120061. The reversal of 154552531120025 is 520021135255451.

It can be written as a sum of positive squares in 6 ways, for example, as 69515306957056 + 85037224162969 = 8337584^2 + 9221563^2 .

It is not a de Polignac number, because 154552531120025 - 2¹⁶ = 154552531054489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148454750 + ... + 149492199.

It is an arithmetic number, because the mean of its divisors is an integer number (15971197965625).

Almost surely, 2^{154552531120025} is an apocalyptic number.

It is an amenable number.

154552531120025 is a deficient number, since it is larger than the sum of its proper divisors (37101844467475).

154552531120025 is a wasteful number, since it uses less digits than its factorization.

154552531120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297967708 (or 297967703 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

Adding to 154552531120025 its reverse (520021135255451), we get a palindrome (674573666375476).

The spelling of 154552531120025 in words is "one hundred fifty-four trillion, five hundred fifty-two billion, five hundred thirty-one million, one hundred twenty thousand, twenty-five".