2155045404071 has 16 divisors (see below), whose sum is σ = 2486031989760. Its totient is φ = 1829841018720.

The previous prime is 2155045403983. The next prime is 2155045404091. The reversal of 2155045404071 is 1704045405512.

It is a cyclic number.

It is not a de Polignac number, because 2155045404071 - 2¹⁰ = 2155045403047 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 (2155045404091) 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, 24028850 + ... + 24118368.

It is an arithmetic number, because the mean of its divisors is an integer number (155376999360).

Almost surely, 2^{2155045404071} is an apocalyptic number.

2155045404071 is a deficient number, since it is larger than the sum of its proper divisors (330986585689).

2155045404071 is a wasteful number, since it uses less digits than its factorization.

2155045404071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121774.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 2155045404071 in words is "two trillion, one hundred fifty-five billion, forty-five million, four hundred four thousand, seventy-one".