11520202142215 has 16 divisors (see below), whose sum is σ = 14891886426816. Its totient is φ = 8504803008000.

The previous prime is 11520202142159. The next prime is 11520202142221. The reversal of 11520202142215 is 51224120202511.

It is a de Polignac number, because none of the positive numbers 2^k-11520202142215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25011586 + ... + 25468015.

It is an arithmetic number, because the mean of its divisors is an integer number (930742901676).

Almost surely, 2^{11520202142215} is an apocalyptic number.

11520202142215 is a deficient number, since it is larger than the sum of its proper divisors (3371684284601).

11520202142215 is a wasteful number, since it uses less digits than its factorization.

11520202142215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50483130.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 11520202142215 its reverse (51224120202511), we get a palindrome (62744322344726).

The spelling of 11520202142215 in words is "eleven trillion, five hundred twenty billion, two hundred two million, one hundred forty-two thousand, two hundred fifteen".