115210342215511 has 4 divisors (see below), whose sum is σ = 121274044437400. Its totient is φ = 109146639993624.

The previous prime is 115210342215509. The next prime is 115210342215539. The reversal of 115210342215511 is 115512243012511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115210342215511 - 2¹ = 115210342215509 is a prime.

It is a super-2 number, since 2×115210342215511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115210343215511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031851110916 + ... + 3031851110953.

It is an arithmetic number, because the mean of its divisors is an integer number (30318511109350).

Almost surely, 2^{115210342215511} is an apocalyptic number.

115210342215511 is a deficient number, since it is larger than the sum of its proper divisors (6063702221889).

115210342215511 is an equidigital number, since it uses as much as digits as its factorization.

115210342215511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063702221888.

The product of its (nonzero) digits is 12000, while the sum is 34.

The spelling of 115210342215511 in words is "one hundred fifteen trillion, two hundred ten billion, three hundred forty-two million, two hundred fifteen thousand, five hundred eleven".