11100515005055 has 16 divisors (see below), whose sum is σ = 16024803617280. Its totient is φ = 7211161626912.

The previous prime is 11100515005049. The next prime is 11100515005057. The reversal of 11100515005055 is 55050051500111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11100515005055 - 2¹² = 11100515000959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100515005057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8346251219 + ... + 8346252548.

It is an arithmetic number, because the mean of its divisors is an integer number (1001550226080).

Almost surely, 2^{11100515005055} is an apocalyptic number.

11100515005055 is a deficient number, since it is larger than the sum of its proper divisors (4924288612225).

11100515005055 is a wasteful number, since it uses less digits than its factorization.

11100515005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16692503798.

The product of its (nonzero) digits is 3125, while the sum is 29.

Adding to 11100515005055 its reverse (55050051500111), we get a palindrome (66150566505166).

The spelling of 11100515005055 in words is "eleven trillion, one hundred billion, five hundred fifteen million, five thousand, fifty-five".