2155611054175 has 6 divisors (see below), whose sum is σ = 2672957707208. Its totient is φ = 1724488843320.

The previous prime is 2155611054173. The next prime is 2155611054197. The reversal of 2155611054175 is 5714501165512.

It is not a de Polignac number, because 2155611054175 - 2¹ = 2155611054173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155611054173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43112221059 + ... + 43112221108.

Almost surely, 2^{2155611054175} is an apocalyptic number.

2155611054175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2155611054175 is a deficient number, since it is larger than the sum of its proper divisors (517346653033).

2155611054175 is an equidigital number, since it uses as much as digits as its factorization.

2155611054175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86224442177 (or 86224442172 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 43.

The spelling of 2155611054175 in words is "two trillion, one hundred fifty-five billion, six hundred eleven million, fifty-four thousand, one hundred seventy-five".