2155533411155 has 8 divisors (see below), whose sum is σ = 2625246662352. Its totient is φ = 1698689016288.

The previous prime is 2155533411137. The next prime is 2155533411167. The reversal of 2155533411155 is 5511143355512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2155533411155 - 2²⁶ = 2155466302291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3217213712 + ... + 3217214381.

It is an arithmetic number, because the mean of its divisors is an integer number (328155832794).

Almost surely, 2^{2155533411155} is an apocalyptic number.

2155533411155 is a deficient number, since it is larger than the sum of its proper divisors (469713251197).

2155533411155 is an equidigital number, since it uses as much as digits as its factorization.

2155533411155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434428165.

The product of its digits is 225000, while the sum is 41.

Adding to 2155533411155 its reverse (5511143355512), we get a palindrome (7666676766667).

The spelling of 2155533411155 in words is "two trillion, one hundred fifty-five billion, five hundred thirty-three million, four hundred eleven thousand, one hundred fifty-five".