2158415217013 has 16 divisors (see below), whose sum is σ = 2430706747392. Its totient is φ = 1898808390000.

The previous prime is 2158415217011. The next prime is 2158415217029. The reversal of 2158415217013 is 3107125148512.

It is a cyclic number.

It is not a de Polignac number, because 2158415217013 - 2¹ = 2158415217011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158415217011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7584270 + ... + 7863712.

It is an arithmetic number, because the mean of its divisors is an integer number (151919171712).

Almost surely, 2^{2158415217013} is an apocalyptic number.

It is an amenable number.

2158415217013 is a deficient number, since it is larger than the sum of its proper divisors (272291530379).

2158415217013 is a wasteful number, since it uses less digits than its factorization.

2158415217013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302136.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 2158415217013 in words is "two trillion, one hundred fifty-eight billion, four hundred fifteen million, two hundred seventeen thousand, thirteen".