1145289201201 has 64 divisors (see below), whose sum is σ = 1714081824000. Its totient is φ = 755770341888.

The previous prime is 1145289201197. The next prime is 1145289201211. The reversal of 1145289201201 is 1021029825411.

1145289201201 is a `hidden beast` number, since 1 + 1 + 4 + 528 + 9 + 2 + 0 + 120 + 1 = 666.

It is not a de Polignac number, because 1145289201201 - 2² = 1145289201197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145289201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1025325495 + ... + 1025326611.

It is an arithmetic number, because the mean of its divisors is an integer number (26782528500).

Almost surely, 2^{1145289201201} is an apocalyptic number.

It is an amenable number.

1145289201201 is a deficient number, since it is larger than the sum of its proper divisors (568792622799).

1145289201201 is a wasteful number, since it uses less digits than its factorization.

1145289201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 1145289201201 in words is "one trillion, one hundred forty-five billion, two hundred eighty-nine million, two hundred one thousand, two hundred one".