11155098417215 has 4 divisors (see below), whose sum is σ = 13386118100664. Its totient is φ = 8924078733768.

The previous prime is 11155098417187. The next prime is 11155098417223. The reversal of 11155098417215 is 51271489055111.

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 11155098417215 - 2²² = 11155094222911 is a prime.

It is a Duffinian number.

It is a congruent 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, 1115509841717 + ... + 1115509841726.

It is an arithmetic number, because the mean of its divisors is an integer number (3346529525166).

Almost surely, 2^{11155098417215} is an apocalyptic number.

11155098417215 is a deficient number, since it is larger than the sum of its proper divisors (2231019683449).

11155098417215 is an equidigital number, since it uses as much as digits as its factorization.

11155098417215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231019683448.

The product of its (nonzero) digits is 504000, while the sum is 50.

The spelling of 11155098417215 in words is "eleven trillion, one hundred fifty-five billion, ninety-eight million, four hundred seventeen thousand, two hundred fifteen".