2015143214511 has 32 divisors (see below), whose sum is σ = 3087283949568. Its totient is φ = 1145298781440.

The previous prime is 2015143214471. The next prime is 2015143214531. The reversal of 2015143214511 is 1154123415102.

It is not a de Polignac number, because 2015143214511 - 2¹⁴ = 2015143198127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015143214531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4941121 + ... + 5333381.

It is an arithmetic number, because the mean of its divisors is an integer number (96477623424).

Almost surely, 2^{2015143214511} is an apocalyptic number.

2015143214511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2015143214511 is a deficient number, since it is larger than the sum of its proper divisors (1072140735057).

2015143214511 is a wasteful number, since it uses less digits than its factorization.

2015143214511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393591.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 2015143214511 its reverse (1154123415102), we get a palindrome (3169266629613).

The spelling of 2015143214511 in words is "two trillion, fifteen billion, one hundred forty-three million, two hundred fourteen thousand, five hundred eleven".