1154043072001 has 16 divisors (see below), whose sum is σ = 1201463663616. Its totient is φ = 1107288000000.

The previous prime is 1154043071957. The next prime is 1154043072023. The reversal of 1154043072001 is 1002703404511.

It is a 3-Lehmer number, since φ(1154043072001) divides (1154043072001-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1154043072001 - 2¹¹ = 1154043069953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154043072701) 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 15 ways as a sum of consecutive naturals, for example, 2202201 + ... + 2675401.

It is an arithmetic number, because the mean of its divisors is an integer number (75091478976).

Almost surely, 2^{1154043072001} is an apocalyptic number.

It is an amenable number.

1154043072001 is a deficient number, since it is larger than the sum of its proper divisors (47420591615).

1154043072001 is a wasteful number, since it uses less digits than its factorization.

1154043072001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473904.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 1154043072001 its reverse (1002703404511), we get a palindrome (2156746476512).

The spelling of 1154043072001 in words is "one trillion, one hundred fifty-four billion, forty-three million, seventy-two thousand, one".