2155044254513 has 16 divisors (see below), whose sum is σ = 2296963008000. Its totient is φ = 2014850514432.

The previous prime is 2155044254453. The next prime is 2155044254537. The reversal of 2155044254513 is 3154524405512.

It is a happy number.

It is not a de Polignac number, because 2155044254513 - 2¹⁰ = 2155044253489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2155044254113) 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, 1013348 + ... + 2310186.

It is an arithmetic number, because the mean of its divisors is an integer number (143560188000).

Almost surely, 2^{2155044254513} is an apocalyptic number.

It is an amenable number.

2155044254513 is a deficient number, since it is larger than the sum of its proper divisors (141918753487).

2155044254513 is a wasteful number, since it uses less digits than its factorization.

2155044254513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297504.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 2155044254513 in words is "two trillion, one hundred fifty-five billion, forty-four million, two hundred fifty-four thousand, five hundred thirteen".