2001001151 has 4 divisors (see below), whose sum is σ = 2023484400. Its totient is φ = 1978517904.

The previous prime is 2001001147. The next prime is 2001001153. The reversal of 2001001151 is 1511001002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001001151 - 2² = 2001001147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001001153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11241491 + ... + 11241668.

It is an arithmetic number, because the mean of its divisors is an integer number (505871100).

Almost surely, 2^2001001151 is an apocalyptic number.

2001001151 is a deficient number, since it is larger than the sum of its proper divisors (22483249).

2001001151 is an equidigital number, since it uses as much as digits as its factorization.

2001001151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22483248.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 2001001151 is about 44732.5513580435. The cubic root of 2001001151 is about 1260.1312433627.

Adding to 2001001151 its reverse (1511001002), we get a palindrome (3512002153).

The spelling of 2001001151 in words is "two billion, one million, one thousand, one hundred fifty-one".