2153511216115 has 32 divisors (see below), whose sum is σ = 3117488256000. Its totient is φ = 1395075685248.

The previous prime is 2153511216089. The next prime is 2153511216139. The reversal of 2153511216115 is 5116121153512.

It is not a de Polignac number, because 2153511216115 - 2⁷ = 2153511215987 is a prime.

It is a super-2 number, since 2×2153511216115² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4271520 + ... + 4748989.

It is an arithmetic number, because the mean of its divisors is an integer number (97421508000).

Almost surely, 2^{2153511216115} is an apocalyptic number.

2153511216115 is a deficient number, since it is larger than the sum of its proper divisors (963977039885).

2153511216115 is a wasteful number, since it uses less digits than its factorization.

2153511216115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020899.

The product of its digits is 9000, while the sum is 34.

Adding to 2153511216115 its reverse (5116121153512), we get a palindrome (7269632369627).

The spelling of 2153511216115 in words is "two trillion, one hundred fifty-three billion, five hundred eleven million, two hundred sixteen thousand, one hundred fifteen".