11033552155 has 4 divisors (see below), whose sum is σ = 13240262592. Its totient is φ = 8826841720.

The previous prime is 11033552119. The next prime is 11033552183. The reversal of 11033552155 is 55125533011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11033552155 - 2¹⁹ = 11033027867 is a prime.

It is a super-3 number, since 3×11033552155³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1103355211 + ... + 1103355220.

It is an arithmetic number, because the mean of its divisors is an integer number (3310065648).

Almost surely, 2^11033552155 is an apocalyptic number.

11033552155 is a deficient number, since it is larger than the sum of its proper divisors (2206710437).

11033552155 is an equidigital number, since it uses as much as digits as its factorization.

11033552155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206710436.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 11033552155 in words is "eleven billion, thirty-three million, five hundred fifty-two thousand, one hundred fifty-five".