2115311515351 has 8 divisors (see below), whose sum is σ = 2120585450144. Its totient is φ = 2110041394560.

The previous prime is 2115311515319. The next prime is 2115311515357. The reversal of 2115311515351 is 1535151135112.

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

It is a cyclic number.

It is not a de Polignac number, because 2115311515351 - 2⁵ = 2115311515319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115311515357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158731 + ... + 2062963.

It is an arithmetic number, because the mean of its divisors is an integer number (265073181268).

Almost surely, 2^{2115311515351} is an apocalyptic number.

2115311515351 is a deficient number, since it is larger than the sum of its proper divisors (5273934793).

2115311515351 is a wasteful number, since it uses less digits than its factorization.

2115311515351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907001.

The product of its digits is 11250, while the sum is 34.

The spelling of 2115311515351 in words is "two trillion, one hundred fifteen billion, three hundred eleven million, five hundred fifteen thousand, three hundred fifty-one".