2001672511 has 8 divisors (see below), whose sum is σ = 2067406848. Its totient is φ = 1936011000.

The previous prime is 2001672493. The next prime is 2001672529. The reversal of 2001672511 is 1152761002.

It is an interprime number because it is at equal distance from previous prime (2001672493) and next prime (2001672529).

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

It is a cyclic number.

It is not a de Polignac number, because 2001672511 - 2⁵ = 2001672479 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 (2001672611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40746 + ... + 75256.

It is an arithmetic number, because the mean of its divisors is an integer number (258425856).

Almost surely, 2^2001672511 is an apocalyptic number.

2001672511 is a deficient number, since it is larger than the sum of its proper divisors (65734337).

2001672511 is a wasteful number, since it uses less digits than its factorization.

2001672511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36413.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 2001672511 is about 44740.0548837392. The cubic root of 2001672511 is about 1260.2721573437.

The spelling of 2001672511 in words is "two billion, one million, six hundred seventy-two thousand, five hundred eleven".