2001045422151 has 40 divisors (see below), whose sum is σ = 3013223157120. Its totient is φ = 1323344423232.

The previous prime is 2001045422143. The next prime is 2001045422183. The reversal of 2001045422151 is 1512245401002.

It is a happy number.

2001045422151 is a `hidden beast` number, since 2 + 0 + 0 + 104 + 542 + 2 + 15 + 1 = 666.

It is not a de Polignac number, because 2001045422151 - 2³ = 2001045422143 is a prime.

It is a super-2 number, since 2×2001045422151² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001045422851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7589605 + ... + 7848833.

It is an arithmetic number, because the mean of its divisors is an integer number (75330578928).

Almost surely, 2^{2001045422151} is an apocalyptic number.

2001045422151 is a deficient number, since it is larger than the sum of its proper divisors (1012177734969).

2001045422151 is a wasteful number, since it uses less digits than its factorization.

2001045422151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260005 (or 259996 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 2001045422151 in words is "two trillion, one billion, forty-five million, four hundred twenty-two thousand, one hundred fifty-one".