2151345111 has 8 divisors (see below), whose sum is σ = 2873111664. Its totient is φ = 1431904320.

The previous prime is 2151345107. The next prime is 2151345127. The reversal of 2151345111 is 1115431512.

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

It is not a de Polignac number, because 2151345111 - 2² = 2151345107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151345151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579280 + ... + 582981.

It is an arithmetic number, because the mean of its divisors is an integer number (359138958).

Almost surely, 2^2151345111 is an apocalyptic number.

2151345111 is a deficient number, since it is larger than the sum of its proper divisors (721766553).

2151345111 is a wasteful number, since it uses less digits than its factorization.

2151345111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162881.

The product of its digits is 600, while the sum is 24.

The square root of 2151345111 is about 46382.5949144720. The cubic root of 2151345111 is about 1290.9319850017.

Adding to 2151345111 its reverse (1115431512), we get a palindrome (3266776623).

The spelling of 2151345111 in words is "two billion, one hundred fifty-one million, three hundred forty-five thousand, one hundred eleven".