1851441145001 has 8 divisors (see below), whose sum is σ = 2207929812864. Its totient is φ = 1517951746080.

The previous prime is 1851441144967. The next prime is 1851441145003. The reversal of 1851441145001 is 1005411441581.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1851441145001 - 2²⁶ = 1851374036137 is a prime.

It is a super-2 number, since 2×1851441145001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1851441145003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5749817060 + ... + 5749817381.

It is an arithmetic number, because the mean of its divisors is an integer number (275991226608).

Almost surely, 2^{1851441145001} is an apocalyptic number.

It is an amenable number.

1851441145001 is a deficient number, since it is larger than the sum of its proper divisors (356488667863).

1851441145001 is a wasteful number, since it uses less digits than its factorization.

1851441145001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499634471.

The product of its (nonzero) digits is 12800, while the sum is 35.

Adding to 1851441145001 its reverse (1005411441581), we get a palindrome (2856852586582).

The spelling of 1851441145001 in words is "one trillion, eight hundred fifty-one billion, four hundred forty-one million, one hundred forty-five thousand, one".