2155305613147 has 4 divisors (see below), whose sum is σ = 2155349943160. Its totient is φ = 2155261283136.

The previous prime is 2155305613129. The next prime is 2155305613211. The reversal of 2155305613147 is 7413165035512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2155305613147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2155305613547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22091997 + ... + 22189342.

It is an arithmetic number, because the mean of its divisors is an integer number (538837485790).

Almost surely, 2^{2155305613147} is an apocalyptic number.

2155305613147 is a deficient number, since it is larger than the sum of its proper divisors (44330013).

2155305613147 is an equidigital number, since it uses as much as digits as its factorization.

2155305613147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44330012.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 2155305613147 in words is "two trillion, one hundred fifty-five billion, three hundred five million, six hundred thirteen thousand, one hundred forty-seven".