1201545115133 has 16 divisors (see below), whose sum is σ = 1399716840960. Its totient is φ = 1020626846400.

The previous prime is 1201545115061. The next prime is 1201545115151. The reversal of 1201545115133 is 3315115451021.

It is a cyclic number.

It is not a de Polignac number, because 1201545115133 - 2¹⁶ = 1201545049597 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201545115133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201545115163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60741710 + ... + 60761487.

It is an arithmetic number, because the mean of its divisors is an integer number (87482302560).

Almost surely, 2^{1201545115133} is an apocalyptic number.

It is an amenable number.

1201545115133 is a deficient number, since it is larger than the sum of its proper divisors (198171725827).

1201545115133 is a wasteful number, since it uses less digits than its factorization.

1201545115133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121503268.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1201545115133 in words is "one trillion, two hundred one billion, five hundred forty-five million, one hundred fifteen thousand, one hundred thirty-three".