11101450155 has 32 divisors (see below), whose sum is σ = 17991305280. Its totient is φ = 5844664320.

The previous prime is 11101450153. The next prime is 11101450159. The reversal of 11101450155 is 55105410111.

It is not a de Polignac number, because 11101450155 - 2¹ = 11101450153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101450153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 849249 + ... + 862221.

It is an arithmetic number, because the mean of its divisors is an integer number (562228290).

Almost surely, 2^11101450155 is an apocalyptic number.

11101450155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11101450155 is a deficient number, since it is larger than the sum of its proper divisors (6889855125).

11101450155 is a wasteful number, since it uses less digits than its factorization.

11101450155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13711.

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 11101450155 its reverse (55105410111), we get a palindrome (66206860266).

The spelling of 11101450155 in words is "eleven billion, one hundred one million, four hundred fifty thousand, one hundred fifty-five".