2141401511 has 4 divisors (see below), whose sum is σ = 2142279072. Its totient is φ = 2140523952.

The previous prime is 2141401487. The next prime is 2141401513. The reversal of 2141401511 is 1151041412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141401511 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 (2141401513) 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 3 ways as a sum of consecutive naturals, for example, 435110 + ... + 440003.

It is an arithmetic number, because the mean of its divisors is an integer number (535569768).

Almost surely, 2^2141401511 is an apocalyptic number.

2141401511 is a deficient number, since it is larger than the sum of its proper divisors (877561).

2141401511 is an equidigital number, since it uses as much as digits as its factorization.

2141401511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877560.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 2141401511 is about 46275.2796966156. The cubic root of 2141401511 is about 1288.9400003730.

Adding to 2141401511 its reverse (1151041412), we get a palindrome (3292442923).

The spelling of 2141401511 in words is "two billion, one hundred forty-one million, four hundred one thousand, five hundred eleven".