11515330350065 has 16 divisors (see below), whose sum is σ = 13926708012096. Its totient is φ = 9140085115200.

The previous prime is 11515330350053. The next prime is 11515330350101. The reversal of 11515330350065 is 56005303351511.

It is not a de Polignac number, because 11515330350065 - 2⁴ = 11515330350049 is a prime.

It is a super-2 number, since 2×11515330350065² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 1447139 + ... + 5012471.

It is an arithmetic number, because the mean of its divisors is an integer number (870419250756).

Almost surely, 2^{11515330350065} is an apocalyptic number.

It is an amenable number.

11515330350065 is a deficient number, since it is larger than the sum of its proper divisors (2411377662031).

11515330350065 is a wasteful number, since it uses less digits than its factorization.

11515330350065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570400.

The product of its (nonzero) digits is 101250, while the sum is 38.

The spelling of 11515330350065 in words is "eleven trillion, five hundred fifteen billion, three hundred thirty million, three hundred fifty thousand, sixty-five".