2151111402014 has 8 divisors (see below), whose sum is σ = 3226685716368. Its totient is φ = 1075549496560.

The previous prime is 2151111401977. The next prime is 2151111402023. The reversal of 2151111402014 is 4102041111512.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656007 + ... + 3369954.

It is an arithmetic number, because the mean of its divisors is an integer number (403335714546).

Almost surely, 2^{2151111402014} is an apocalyptic number.

2151111402014 is a deficient number, since it is larger than the sum of its proper divisors (1075574314354).

2151111402014 is a wasteful number, since it uses less digits than its factorization.

2151111402014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204450.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 2151111402014 its reverse (4102041111512), we get a palindrome (6253152513526).

The spelling of 2151111402014 in words is "two trillion, one hundred fifty-one billion, one hundred eleven million, four hundred two thousand, fourteen".