133523555340625 has 96 divisors (see below), whose sum is σ = 171160675015680. Its totient is φ = 104107972800000.

The previous prime is 133523555340599. The next prime is 133523555340691. The reversal of 133523555340625 is 526043555325331.

It is not a de Polignac number, because 133523555340625 - 2⁹ = 133523555340113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38490501391 + ... + 38490504859.

It is an arithmetic number, because the mean of its divisors is an integer number (1782923698080).

Almost surely, 2^{133523555340625} is an apocalyptic number.

It is an amenable number.

133523555340625 is a deficient number, since it is larger than the sum of its proper divisors (37637119675055).

133523555340625 is an frugal number, since it uses more digits than its factorization.

133523555340625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 52.

The spelling of 133523555340625 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, five hundred fifty-five million, three hundred forty thousand, six hundred twenty-five".