11266655042515 has 4 divisors (see below), whose sum is σ = 13519986051024. Its totient is φ = 9013324034008.

The previous prime is 11266655042507. The next prime is 11266655042647. The reversal of 11266655042515 is 51524055666211.

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 11266655042515 - 2³ = 11266655042507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126665504247 + ... + 1126665504256.

It is an arithmetic number, because the mean of its divisors is an integer number (3379996512756).

Almost surely, 2^{11266655042515} is an apocalyptic number.

11266655042515 is a deficient number, since it is larger than the sum of its proper divisors (2253331008509).

11266655042515 is an equidigital number, since it uses as much as digits as its factorization.

11266655042515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253331008508.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 11266655042515 in words is "eleven trillion, two hundred sixty-six billion, six hundred fifty-five million, forty-two thousand, five hundred fifteen".